帮忙给出100道四年级简算题吧,悬赏50分!!!
4个回答
展开全部
125÷(50÷8)
=125÷50×8
=125×8÷50
=1000÷50
=20
7.2×1.02
=7.2×(1+0.02)
=7.2×1+7.2×0.02
=7.2+0.144
=7.344
9又9/16÷9
=(9+9/16)÷9
=9÷9+9/16÷9
=1+1/16
=17/16
(90+1/88)×1/89
=(90×88+1)/88×1/89
=[(89+1)×(89-1)+1]/88×1/89
=[89^2-1^2+1]/88×1/89
=89^2/88×1/89
=89/88
(1/3-1/4)+(1/4-1/5)+(1/5-1/6)
=1/3-1/4+1/4-1/5+1/5-1/6
=1/3-1/6
=1
7.6×1/2÷[1.9-1.9×(1.9-1.9)]
=7.6×1/2÷(1.9-0)
=3.8÷1.9
=2
1又1/6×1又1/7×1又1/8×1又1/9×1又1/10
=7/6×8/7×9/8×10/9×11/10
=11/6
3.26×[1÷(1/10-9/100)]
=3.26×[1÷(10/100-9/100)]
=3.26×(1÷1/100)
=3.26×100
=326
(2.5+2.5+2.5+2.5)×25×8
=(2.5×4)×25×4×2
=10×100×2
=2000
(6.9×0.125×1.75)÷(2.3×1/8×1/4)
=6.9×0.125×1.75÷2.3÷1/8÷1/4
=6.9÷2.3×0.125×8×1.75×4
=3×1×7
=21
[5-(0.5×9又1/2+1/2×1/2)]÷8/21
=[5-(1/2×19/2+1/2×1/2)]×21/8
=[5-1/2×(19/2+1/2)]×21/8
=(5-1/2×10)×21/8
=(5-5)×21/8
=0
(12又13/25+7又8/17)×2.5+(9又9/17+10又12/25)2又1/2
=(12又13/25+7又8/17)×2.5+(9又9/17+10又12/25)×2.5
=(12又13/25+7又8/17+9又9/17+10又12/25)×2.5
=(23+17)×2.5
=40×2.5
=100
1又2/3×[7又5/6+(4.125-4又1/8)-4又5/6]
=5/3×[7又5/6-4又5/6+(4又1/8-4又1/8)]
=5/3×(3+0)
=5
8又17/23+5又1/4-6又17/23+0.75
=(8又17/23-6又17/23)+(5.25+0.75)
=2+6
=8
(5又5/9-0.8+2又4/9)×12.5
=(5又5/9+2又4/9-0.8)×12.5
=(8-0.8)×12.5
=8×12.5-0.8×12.5
=100-10
=90
2.25×3/7×0.4×2又1/3
=2.25×0.4×3/7×7/3
=0.9×1
=0.9
0.91÷4/5+1.25×1.09
=0.91×5/4+5/4×1.09
=5/4×(0.91+1.09)
=5/4×2
=2.5
9又2000/2001×1949
=(10-1/2001)×1949
=10×1949-1/2001×1949
=19490-1949/2001
=10489+(1-1949/2001)
=10489+52/2001
=10489又52/2001
24×51/43+51×19/43
=24×51/43+19×51/43
=(24+19)×51/43
=43×51/43
=51
13.76-(7/12+1.76+1又5/12)
=13.76-[1.76+(7/12+1又5/12)]
=13.76-1.76-2
=12-2
=10
19.98×37-199.8×1.9+1998×0.82
=199.8×3.7-199.8×1.9+199.8×8.2
=199.8×(3.7-1.9+8.2)
=199.8×10
=1998
0.32×6.7+3.2×0.43-0.32
=3.2×0.67+3.2×0.43-3.2×0.1
=3.2×(0.67+0.43-0.1)
=3.2×1
=3.2
2.5×12.5×32-32-563
=2.5×12.5×4×8-(32+563)
=(2.5×4)×(12.5×8)-595
=10×100-595
=1000-595
=405
9又3/4-15/19-2/19×2
=9又3/4-(15/19+4/19)
=9又3/4-1
=8又3/4
(2/3+1/5)+(2/3-12/17)-(1/5+5/17)
=2/3+1/5+2/3-12/17-1/5-5/17
=(2/3+2/3)+(1/5-1/5)-(12/17+5/17)
=4/3+0-1
=1/3
(4/9+5/13+5/9+8/13)×(1-91/100)
=[(4/9+5/9)+(5/13+8/13)]×9/100
=(1+1)×9/100
=9/50
[(1/4-1/4÷2)×8/13+1÷6又1/2]÷0.01
=[(1/4-1/8)×8/13+1×2/13]×100
=(1/8×8/13+2/13)×100
=3/13×100
=300/13
(3+3/4÷3/4+3)-(7×1/6÷7×1/6)
=(3+1+3)-(1/6×1/6)
=7-1/36
=6又35/36
5-[1又1/3-(2.5-1又2/3)]÷0.125
=5-(1又1/3+1又2/3-2.5)×8
=5-(3-0.5)×8
=5-0.5×8
=5-4
=1
14.8×6.3+46.5×4.5+8.3×3.7+0.465×550-6.3×6.5
=14.8×6.3-6.3×6.5+46.5×4.5+46.5×5.5+8.3×3.7
=6.3×(14.8-6.5)+46.5×(4.5+5.5)+(8+0.3)×3.7
=6.3×8+46.5×10+8×3.7+0.3×3.7
=8×(6.3+3.7)+465+1.11
=80+466.11
=546.11
(78.6-0.786×25+0.75×21.4)÷15×2001
=(78.6-78.6×0.25+0.75×21.4)÷15×2001
=[78.6×(1-0.25)+0.75×21.4)÷15×2001
=(78.6×0.75+0.75×21.4)÷15×2001
=0.75×(78.6+21.4)÷15×2001
=0.75×100÷15×2001
=75÷15×2001
=5×2001
=10005
(49/90×7/20+1.65×49/90-49/90)÷[2又14/15-(4-2又14/15)]
=49/90×(0.35+1.65-1)÷(2又14/15+2又14/15-4)
=49/90×1÷(4又28/15-4)
=49/90×15/28
=7/24
(1又1/1998×8.12+5又31/75÷2/3×8又1997/1998)÷4又11/48
=(1又1/1998×8又12/100+406/75×3/2×8又1997/1998)÷4又11/48
=(1又1/1998×203/25+203/25×8又1997/1998)÷4又11/48
=203/25×(1又1/1998+8又1997/1998)÷4又11/48
=203/25×10÷203/48
=10/25×48
=96/5
2÷(2又2/9×4/5+2又2/9×6.2-5.8×2又2/9)×9/20
=2÷[2又2/9×(4/5+6.2-5.8)]×9/20
=2÷(20/9×1.2)×9/20
=2×3/8×9/20
=27/80
1又2/3-[(3.62×2/15+6.38÷7又1/2)×1.82-1又1/3×0.82]
=1又2/3-[(3.62×2/15+6.38×2/15)×1.82-1又1/3×0.82]
=1又2/3-[2/15×(3.62+6.38)×1.82-4/3×0.82]
=5/3-[2/15×10×1.82-4/3×0.82]
=5/3-4/3×(1.82-0.82)
=5/3-4/3
=1/3
12÷(6又7/10×0.8+6又7/10×6又1/2-4/5×6又7/10+2又1/3×6又7/10)
=12÷[6又7/10×(0.8+13/2-0.8+7/3)]
=12÷[67/10×53/6]
=12÷[(60+7)×(60-7)/60]
=12÷[(3600-49)/60]
=720/3551
38×1又1/1999+8又1998/1999×1又1/18÷1/36
=38×1又1/1999+8又1998/1999×19/18×36
=38×(1又1/1999+8又1998/1999)
=38×10
=380
9.75+99.75+999.75+9999.75
=10-0.25+100-0.25+1000-0.25+10000-0.25
=(10+100+1000+10000)-0.25×4
=11110-1
=11109
1/2001+2/2001+3/2001+4/2001+…+2001/2001
=(1+2+3+...+2001)/2001
=[(1+2001)×2001÷2]/2001
=1001×2001/2001
=1001
10101/131313×91
=10101/(13×10101)×(7×13)
=7
112又14/23÷37
=(112+14/23)÷37
=(14×8+14×1/23)÷37
=14×8又1/23÷37
=14×185×1/37
=14×5
=70
125×25×3232×69
=125×25×(4×8×101)×69
=(125×8)×(25×4)×(101×69)
=1000×100×6969
=696900000
3333×3333+9999×8889
=1111×3×3333+9999×8889
=1111×9999+9999×8889
=9999×(1111+8889)
=9999×10000
=99990000
9999×7+1111×37
=1111×9×7+1111×37
=1111×(63+37)
=1111×100
=111100
999×778+333×666
=999×778+333×3×222
=999×(778+222)
=999×1000
=999000
20012001÷19971997
=2001×10001÷(1997×10001)
=2001÷1997
=2001/1997
20022002÷20012001
=2002×10001÷(2001×10001)
=2002÷2001
=2002/2001
97×2000-96×2001
=97×(2001-1)-96×2001
=97×2001-97-96×2001
=(97-96)×2001-97
=2001-97
=1904
1989×1999-1988×2000
=1989×(2000-1)-1988×2000
=1989×2000-1989-1988×2000
=(1989-1988)×2000-1989
=2000-1989
=11
5/21×2/7+2又19/21×5/7+(1-2/7)
=5/7×2/21+2又19/21×5/7+5/7
=5/7×(2/21+2又19/21+1)
=5/7×4
=20/7
1-1/2-1/4-1/8-…-1/128
=1/2-1/4-1/8-...-1/128
=1/4-1/8-...-1/128
=1/8-...-1/128
=125÷50×8
=125×8÷50
=1000÷50
=20
7.2×1.02
=7.2×(1+0.02)
=7.2×1+7.2×0.02
=7.2+0.144
=7.344
9又9/16÷9
=(9+9/16)÷9
=9÷9+9/16÷9
=1+1/16
=17/16
(90+1/88)×1/89
=(90×88+1)/88×1/89
=[(89+1)×(89-1)+1]/88×1/89
=[89^2-1^2+1]/88×1/89
=89^2/88×1/89
=89/88
(1/3-1/4)+(1/4-1/5)+(1/5-1/6)
=1/3-1/4+1/4-1/5+1/5-1/6
=1/3-1/6
=1
7.6×1/2÷[1.9-1.9×(1.9-1.9)]
=7.6×1/2÷(1.9-0)
=3.8÷1.9
=2
1又1/6×1又1/7×1又1/8×1又1/9×1又1/10
=7/6×8/7×9/8×10/9×11/10
=11/6
3.26×[1÷(1/10-9/100)]
=3.26×[1÷(10/100-9/100)]
=3.26×(1÷1/100)
=3.26×100
=326
(2.5+2.5+2.5+2.5)×25×8
=(2.5×4)×25×4×2
=10×100×2
=2000
(6.9×0.125×1.75)÷(2.3×1/8×1/4)
=6.9×0.125×1.75÷2.3÷1/8÷1/4
=6.9÷2.3×0.125×8×1.75×4
=3×1×7
=21
[5-(0.5×9又1/2+1/2×1/2)]÷8/21
=[5-(1/2×19/2+1/2×1/2)]×21/8
=[5-1/2×(19/2+1/2)]×21/8
=(5-1/2×10)×21/8
=(5-5)×21/8
=0
(12又13/25+7又8/17)×2.5+(9又9/17+10又12/25)2又1/2
=(12又13/25+7又8/17)×2.5+(9又9/17+10又12/25)×2.5
=(12又13/25+7又8/17+9又9/17+10又12/25)×2.5
=(23+17)×2.5
=40×2.5
=100
1又2/3×[7又5/6+(4.125-4又1/8)-4又5/6]
=5/3×[7又5/6-4又5/6+(4又1/8-4又1/8)]
=5/3×(3+0)
=5
8又17/23+5又1/4-6又17/23+0.75
=(8又17/23-6又17/23)+(5.25+0.75)
=2+6
=8
(5又5/9-0.8+2又4/9)×12.5
=(5又5/9+2又4/9-0.8)×12.5
=(8-0.8)×12.5
=8×12.5-0.8×12.5
=100-10
=90
2.25×3/7×0.4×2又1/3
=2.25×0.4×3/7×7/3
=0.9×1
=0.9
0.91÷4/5+1.25×1.09
=0.91×5/4+5/4×1.09
=5/4×(0.91+1.09)
=5/4×2
=2.5
9又2000/2001×1949
=(10-1/2001)×1949
=10×1949-1/2001×1949
=19490-1949/2001
=10489+(1-1949/2001)
=10489+52/2001
=10489又52/2001
24×51/43+51×19/43
=24×51/43+19×51/43
=(24+19)×51/43
=43×51/43
=51
13.76-(7/12+1.76+1又5/12)
=13.76-[1.76+(7/12+1又5/12)]
=13.76-1.76-2
=12-2
=10
19.98×37-199.8×1.9+1998×0.82
=199.8×3.7-199.8×1.9+199.8×8.2
=199.8×(3.7-1.9+8.2)
=199.8×10
=1998
0.32×6.7+3.2×0.43-0.32
=3.2×0.67+3.2×0.43-3.2×0.1
=3.2×(0.67+0.43-0.1)
=3.2×1
=3.2
2.5×12.5×32-32-563
=2.5×12.5×4×8-(32+563)
=(2.5×4)×(12.5×8)-595
=10×100-595
=1000-595
=405
9又3/4-15/19-2/19×2
=9又3/4-(15/19+4/19)
=9又3/4-1
=8又3/4
(2/3+1/5)+(2/3-12/17)-(1/5+5/17)
=2/3+1/5+2/3-12/17-1/5-5/17
=(2/3+2/3)+(1/5-1/5)-(12/17+5/17)
=4/3+0-1
=1/3
(4/9+5/13+5/9+8/13)×(1-91/100)
=[(4/9+5/9)+(5/13+8/13)]×9/100
=(1+1)×9/100
=9/50
[(1/4-1/4÷2)×8/13+1÷6又1/2]÷0.01
=[(1/4-1/8)×8/13+1×2/13]×100
=(1/8×8/13+2/13)×100
=3/13×100
=300/13
(3+3/4÷3/4+3)-(7×1/6÷7×1/6)
=(3+1+3)-(1/6×1/6)
=7-1/36
=6又35/36
5-[1又1/3-(2.5-1又2/3)]÷0.125
=5-(1又1/3+1又2/3-2.5)×8
=5-(3-0.5)×8
=5-0.5×8
=5-4
=1
14.8×6.3+46.5×4.5+8.3×3.7+0.465×550-6.3×6.5
=14.8×6.3-6.3×6.5+46.5×4.5+46.5×5.5+8.3×3.7
=6.3×(14.8-6.5)+46.5×(4.5+5.5)+(8+0.3)×3.7
=6.3×8+46.5×10+8×3.7+0.3×3.7
=8×(6.3+3.7)+465+1.11
=80+466.11
=546.11
(78.6-0.786×25+0.75×21.4)÷15×2001
=(78.6-78.6×0.25+0.75×21.4)÷15×2001
=[78.6×(1-0.25)+0.75×21.4)÷15×2001
=(78.6×0.75+0.75×21.4)÷15×2001
=0.75×(78.6+21.4)÷15×2001
=0.75×100÷15×2001
=75÷15×2001
=5×2001
=10005
(49/90×7/20+1.65×49/90-49/90)÷[2又14/15-(4-2又14/15)]
=49/90×(0.35+1.65-1)÷(2又14/15+2又14/15-4)
=49/90×1÷(4又28/15-4)
=49/90×15/28
=7/24
(1又1/1998×8.12+5又31/75÷2/3×8又1997/1998)÷4又11/48
=(1又1/1998×8又12/100+406/75×3/2×8又1997/1998)÷4又11/48
=(1又1/1998×203/25+203/25×8又1997/1998)÷4又11/48
=203/25×(1又1/1998+8又1997/1998)÷4又11/48
=203/25×10÷203/48
=10/25×48
=96/5
2÷(2又2/9×4/5+2又2/9×6.2-5.8×2又2/9)×9/20
=2÷[2又2/9×(4/5+6.2-5.8)]×9/20
=2÷(20/9×1.2)×9/20
=2×3/8×9/20
=27/80
1又2/3-[(3.62×2/15+6.38÷7又1/2)×1.82-1又1/3×0.82]
=1又2/3-[(3.62×2/15+6.38×2/15)×1.82-1又1/3×0.82]
=1又2/3-[2/15×(3.62+6.38)×1.82-4/3×0.82]
=5/3-[2/15×10×1.82-4/3×0.82]
=5/3-4/3×(1.82-0.82)
=5/3-4/3
=1/3
12÷(6又7/10×0.8+6又7/10×6又1/2-4/5×6又7/10+2又1/3×6又7/10)
=12÷[6又7/10×(0.8+13/2-0.8+7/3)]
=12÷[67/10×53/6]
=12÷[(60+7)×(60-7)/60]
=12÷[(3600-49)/60]
=720/3551
38×1又1/1999+8又1998/1999×1又1/18÷1/36
=38×1又1/1999+8又1998/1999×19/18×36
=38×(1又1/1999+8又1998/1999)
=38×10
=380
9.75+99.75+999.75+9999.75
=10-0.25+100-0.25+1000-0.25+10000-0.25
=(10+100+1000+10000)-0.25×4
=11110-1
=11109
1/2001+2/2001+3/2001+4/2001+…+2001/2001
=(1+2+3+...+2001)/2001
=[(1+2001)×2001÷2]/2001
=1001×2001/2001
=1001
10101/131313×91
=10101/(13×10101)×(7×13)
=7
112又14/23÷37
=(112+14/23)÷37
=(14×8+14×1/23)÷37
=14×8又1/23÷37
=14×185×1/37
=14×5
=70
125×25×3232×69
=125×25×(4×8×101)×69
=(125×8)×(25×4)×(101×69)
=1000×100×6969
=696900000
3333×3333+9999×8889
=1111×3×3333+9999×8889
=1111×9999+9999×8889
=9999×(1111+8889)
=9999×10000
=99990000
9999×7+1111×37
=1111×9×7+1111×37
=1111×(63+37)
=1111×100
=111100
999×778+333×666
=999×778+333×3×222
=999×(778+222)
=999×1000
=999000
20012001÷19971997
=2001×10001÷(1997×10001)
=2001÷1997
=2001/1997
20022002÷20012001
=2002×10001÷(2001×10001)
=2002÷2001
=2002/2001
97×2000-96×2001
=97×(2001-1)-96×2001
=97×2001-97-96×2001
=(97-96)×2001-97
=2001-97
=1904
1989×1999-1988×2000
=1989×(2000-1)-1988×2000
=1989×2000-1989-1988×2000
=(1989-1988)×2000-1989
=2000-1989
=11
5/21×2/7+2又19/21×5/7+(1-2/7)
=5/7×2/21+2又19/21×5/7+5/7
=5/7×(2/21+2又19/21+1)
=5/7×4
=20/7
1-1/2-1/4-1/8-…-1/128
=1/2-1/4-1/8-...-1/128
=1/4-1/8-...-1/128
=1/8-...-1/128
展开全部
1.125*3+125*5+25*3+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -( 3/2 + 4/5 )
11. 7/8 + ( 1/8 + 1/9 )
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×( 1/2 + 2/3 )
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - ( 2/7 – 10/21 )
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50+160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37(58+37)÷(64-9×5)
38.95÷(64-45)
39.178-145÷5×6+42
40.812-700÷(9+31×11)
41.85+14×(14+208÷26)
43.120-36×4÷18+35
44.(58+37)÷(64-9×5)
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.(3.2×1.5+2.5)÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×(4.8-1.2×4)=
51.5.8×(3.87-0.13)+4.2×3.74
52.32.52-(6+9.728÷3.2)×2.5
53.[(7.1-5.6)×0.9-1.15] ÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55.12×6÷(12-7.2)-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370)÷(64-45)
59.420+580-64×21÷28
60.136+6×(65-345÷23)
15-10.75×0.4-5.7
62.18.1+(3-0.299÷0.23)×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.(3.2×1.5+2.5)÷1.6
66.3.2×6+(1.5+2.5)÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×(3.87-0.13)+4.2×3.74
70.32.52-(6+9.728÷3.2)×2.5
71.[(7.1-5.6)×0.9-1.15] ÷2.5
72.5.4÷[2.6×(3.7-2.9)+0.62]
73.12×6÷(12-7.2)-6
74.12×6÷7.2-6
75.33.02-(148.4-90.85)÷2.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
2) 89+456-78
3) 5%+. 3/7 × 49/9 - 4/3
4) 9 × 15/36 + 1/27
5) 2× 5/6 – 2/9 ×3
6) 3× 5/4 + 1/4
7) 94÷ 3/8 – 3/8 ÷6
8) 95/7 × 5/9 + 3/7 × 5/9
9) 6/2 -( 3/2 + 4/5 )
10) 8 + ( 1/8 + 1/9 )
11) 8 × 5/6 + 5/6
12) 1/4 × 8/9 - 1/3
13) 10 × 5/49 + 3/14
14) 1.5 ×( 1/2 + 2/3 )
15) 2/9 × 4/5 + 8 × 11/5
16) 3.1 × 5/6 – 5/6
17) 4/7 - ( 2/7 – 10/21 )
18) 19 × 18 – 14 × 2/7
19) 5 × 25/16 + 2/3 × 3/4
20) 4 × 8/7 – 5/6 × 12/15
21) 7/32 – 3/4 × 9/24
22)99x7
23)125x5x8x4
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -( 3/2 + 4/5 )
11. 7/8 + ( 1/8 + 1/9 )
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×( 1/2 + 2/3 )
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - ( 2/7 – 10/21 )
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50+160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37(58+37)÷(64-9×5)
38.95÷(64-45)
39.178-145÷5×6+42
40.812-700÷(9+31×11)
41.85+14×(14+208÷26)
43.120-36×4÷18+35
44.(58+37)÷(64-9×5)
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.(3.2×1.5+2.5)÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×(4.8-1.2×4)=
51.5.8×(3.87-0.13)+4.2×3.74
52.32.52-(6+9.728÷3.2)×2.5
53.[(7.1-5.6)×0.9-1.15] ÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55.12×6÷(12-7.2)-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370)÷(64-45)
59.420+580-64×21÷28
60.136+6×(65-345÷23)
15-10.75×0.4-5.7
62.18.1+(3-0.299÷0.23)×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.(3.2×1.5+2.5)÷1.6
66.3.2×6+(1.5+2.5)÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×(3.87-0.13)+4.2×3.74
70.32.52-(6+9.728÷3.2)×2.5
71.[(7.1-5.6)×0.9-1.15] ÷2.5
72.5.4÷[2.6×(3.7-2.9)+0.62]
73.12×6÷(12-7.2)-6
74.12×6÷7.2-6
75.33.02-(148.4-90.85)÷2.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
2) 89+456-78
3) 5%+. 3/7 × 49/9 - 4/3
4) 9 × 15/36 + 1/27
5) 2× 5/6 – 2/9 ×3
6) 3× 5/4 + 1/4
7) 94÷ 3/8 – 3/8 ÷6
8) 95/7 × 5/9 + 3/7 × 5/9
9) 6/2 -( 3/2 + 4/5 )
10) 8 + ( 1/8 + 1/9 )
11) 8 × 5/6 + 5/6
12) 1/4 × 8/9 - 1/3
13) 10 × 5/49 + 3/14
14) 1.5 ×( 1/2 + 2/3 )
15) 2/9 × 4/5 + 8 × 11/5
16) 3.1 × 5/6 – 5/6
17) 4/7 - ( 2/7 – 10/21 )
18) 19 × 18 – 14 × 2/7
19) 5 × 25/16 + 2/3 × 3/4
20) 4 × 8/7 – 5/6 × 12/15
21) 7/32 – 3/4 × 9/24
22)99x7
23)125x5x8x4
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897899779797999777779797779797
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上面写的是悬赏分0啊
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