急!!小学四年级 小数加减 简便方法运算题20道
小学四年级小数加减脱式计算简便方法习题!!20道!!急~~好的会加分!只要加减法的!!不要乘除~~!!...
小学四年级 小数加减 脱式计算 简便方法 习题!!20道!!
急~~
好的会加分!
只要加减法的!!不要乘除~~!! 展开
急~~
好的会加分!
只要加减法的!!不要乘除~~!! 展开
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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
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
展开全部
5.12-3.14+76.2=?
76.5-56.2+9.12-63.25=?
89.23-(56.23+26.3)=?
6.3+0.87+3.7+8.16=
18.75-0.43-4.57=
7.2+2.8=
0.36+0.64=
8-2.5=
1.83+2.7=
13.8+9.9=
3.8+4.29+2.1+4.2=
8.3-2.63=
32.8+5.6+7.2=
3.5+7.6=
12-6.2-3.8=
1.7+0.43+3.3=
5.4-2.5-1.4=
0.99+1.8=
2.56-0.37=
3.9+2.03=
2.14-0.9=
(1)27.3+(73.2-72.7) (2) 5.85+(18.9+2.15) (3) 5.85-(1.75+0.25)
(4)(76.8+27.4)-12.6 (5) 5.85+1.89+2.15 (6)24.8+14.6+15.4
(7)42.5-22.17-7.83 (8)3.8+1.37+6.2+12.63
76.5-56.2+9.12-63.25=?
89.23-(56.23+26.3)=?
6.3+0.87+3.7+8.16=
18.75-0.43-4.57=
7.2+2.8=
0.36+0.64=
8-2.5=
1.83+2.7=
13.8+9.9=
3.8+4.29+2.1+4.2=
8.3-2.63=
32.8+5.6+7.2=
3.5+7.6=
12-6.2-3.8=
1.7+0.43+3.3=
5.4-2.5-1.4=
0.99+1.8=
2.56-0.37=
3.9+2.03=
2.14-0.9=
(1)27.3+(73.2-72.7) (2) 5.85+(18.9+2.15) (3) 5.85-(1.75+0.25)
(4)(76.8+27.4)-12.6 (5) 5.85+1.89+2.15 (6)24.8+14.6+15.4
(7)42.5-22.17-7.83 (8)3.8+1.37+6.2+12.63
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5.6×2.9
3.77×1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6.1
9.432×0.002
5.6×6.5
4.88×2.9
5.61×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5.1
8.78×83
2.6×61
0.059×0.2
4.268×1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
除法:
85.44÷16
42.84÷7
101.7÷9
67.5÷15
230.4÷6
21.24÷36
0.736÷23
43.5÷12
35.21÷7
39.6÷24
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.18
0.66÷0.3
11.97÷1.5
69.6÷2.9
38.4÷0.8
15÷0.06
3.77×1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6.1
9.432×0.002
5.6×6.5
4.88×2.9
5.61×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5.1
8.78×83
2.6×61
0.059×0.2
4.268×1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
除法:
85.44÷16
42.84÷7
101.7÷9
67.5÷15
230.4÷6
21.24÷36
0.736÷23
43.5÷12
35.21÷7
39.6÷24
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.18
0.66÷0.3
11.97÷1.5
69.6÷2.9
38.4÷0.8
15÷0.06
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展开全部
5.6+4.4
3.2+5.8
4.9+5.1
5.3+6.7
5.12-3.14+76.2=?
76.5-56.2+9.12-63.25=?
89.23-(56.23+26.3)=?
6.3+0.87+3.7+8.16=
18.75-0.43-4.57=
7.2+2.8=
0.36+0.64=
8-2.5=
1.83+2.7=
13.8+9.9=
3.8+4.29+2.1+4.2=
8.3-2.63=
32.8+5.6+7.2=
3.5+7.6=
12-6.2-3.8=
1.7+0.43+3.3=
3.2+5.8
4.9+5.1
5.3+6.7
5.12-3.14+76.2=?
76.5-56.2+9.12-63.25=?
89.23-(56.23+26.3)=?
6.3+0.87+3.7+8.16=
18.75-0.43-4.57=
7.2+2.8=
0.36+0.64=
8-2.5=
1.83+2.7=
13.8+9.9=
3.8+4.29+2.1+4.2=
8.3-2.63=
32.8+5.6+7.2=
3.5+7.6=
12-6.2-3.8=
1.7+0.43+3.3=
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1) 12.53+7.3
2) 0.81+7.12
3) 0.15+3.74-1.8
4) 10.1-8.09
5) 1/5+4/5
6) 19/21+3/7
7) 2/5-3/4
8) 1-(2/5+9/20)
9) 3.5-8/5
10) 1/2+3/10-5/8
11) 5/8-1/4+3/8
12) 8/15+7/15-(47/50-4/5)
13) 8/9-[3/4-(7/16-1/4)]
14) 9.5-3.4+9.5-7.6-9.5
15) 13.6-3-40.6+2
16) 20.46+10.54-(5.2-3.5)
17) 2.5+0.32-1.25
18) [(4.72-4.7)-1.47]+0.07
19) 3.5+1.66
20) 12.5-2.5-4.8+1.16
2) 0.81+7.12
3) 0.15+3.74-1.8
4) 10.1-8.09
5) 1/5+4/5
6) 19/21+3/7
7) 2/5-3/4
8) 1-(2/5+9/20)
9) 3.5-8/5
10) 1/2+3/10-5/8
11) 5/8-1/4+3/8
12) 8/15+7/15-(47/50-4/5)
13) 8/9-[3/4-(7/16-1/4)]
14) 9.5-3.4+9.5-7.6-9.5
15) 13.6-3-40.6+2
16) 20.46+10.54-(5.2-3.5)
17) 2.5+0.32-1.25
18) [(4.72-4.7)-1.47]+0.07
19) 3.5+1.66
20) 12.5-2.5-4.8+1.16
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