求计算题
弟弟学校的作业让家长出200道双位数计算题.还没学负数````大家帮忙了给我出下50分谁先分给谁!~...
弟弟学校的作业让家长出200道双位数计算题.还没学负数````
大家帮忙了 给我出下 50分
谁先分给谁!~ 展开
大家帮忙了 给我出下 50分
谁先分给谁!~ 展开
4个回答
展开全部
184+98 695+202 864-199 738-301
(加减法接近整百数的简算)
380+476+120 (569+468)+(432+131)
(加法交换律和结合律的运用)
256-147-53 373-129+29 189-(89+74) 456-(256-36)
(减法的简算,重点:运算符号变化的处理)
28×4×25 125×32×25 9×72×125
(乘法交换律和结合律的运用,重点:一个因数分成两个因数的处理)
720÷16÷5 630÷42
(除法的简算)
102×35 98×42
(乘法接近整百数的简算)
26×39+61×26 356×9-56×9
99×55+55 78×101-78
52×76+47×76+76 134×56-134+45×134
(乘法分配律的运用)
48×52×2-4×48
25×23×(40+4)
999×999+1999
(乘法分配律的综合运用)
158+262+138 375+219+381+225 5001-247-1021-232
(181+2564)+2719 378+44+114+242+222 276+228+353+219
(375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999
7755-(2187+755) 2214+638+286 3065-738-1065 899+344
2357-183-317-357 2365-1086-214 497-299 2370+1995
3999+498 1883-398 12×25 75×24
138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25
25×32×125 32×(25+125) 88×125 102×76 58×98
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2
98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)
178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75
16800÷120 30100÷2100 32000÷400 49700÷700
1248÷24 3150÷15 4800÷25 21500÷125
158+262+138
375+219+381+225
5001-247-1021-232
(181+2564)+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
7755-(2187+755)
2214+638+286
3065-738-1065
899+344
2357-183-317-357
2365-1086-214
497-299
2370+1995
3999+498
1883-398
12×25
75×24
138×25×4
(13×125)×(3×8)
(12+24+80)×50
704×25
25×32×125
32×(25+125)
88×125
102×76
58×98
178×101-178
84×36+64×84 75×99+2×75
83×102-83×2
98×199
123×18-123×3+85×123
50×(34×4)×3
25×(24+16)
178×99+178
79×42+79+79×57
7300÷25÷4
8100÷4÷75
16800÷120
30100÷2100
32000÷400
49700÷700
1248÷24
3150÷15
4800÷25
21500÷125
2356-(1356-721)
1235-(1780-1665)
75×27+19×2 5
31×870+13×310
4×(25×65+25×28)
(a+b)+ c = a +(b+c)
2.73 + 0.89 + 1.27
4.37 + 0.28 + 1.63 + 5.72
a-b-c = a -(b+c)
10 - 0.432 - 2.568
9.3 - 5.26 - 2.74
13.4-(3.4+5.2)
14.9-(5.2+4.9)
18.32 - 5.47 - 4.32
17.29 - 5.28 - 6.29
(a × b)×c = a ×(b × c)
25 × 6.8 × 0.04
0.25 × 32 × 0.125
6.4 × 1.25 × 12.5
c ×(a+b)= ca + cb
0.45 × 201
0.58 × 10.1
50.2 × 99
4.7 × 9.9
3.28 × 5.7 + 6.72 × 5.7
2.1 × 99 + 2.1
1.7 × 9.9 + 0.17
23 × 0.1 + 2.3 × 9.9
0.18 +4.26 -0.18 +4.26 ☆
0.58 ×1.3 ÷ 0.58 ×1.3 ☆
7.3 ÷4 + 2.7 × 0.25 ☆
3.75 × 0.5 - 2.75 ÷ 2 ☆
5.26 × 0.125 + 2.74 ÷ 8 ☆
a ÷ b ÷ c = a ÷ (b × c) 6.3 ÷ 1.8
9.5 ÷(1.9 × 8)
12.8 ÷ (0.4 × 1.6)
930 ÷ 0.6 ÷5
63.4 ÷ 2.5 ÷ 0.4
(7.7 + 1.54)÷ 0.7 ☆
(11.7 + 9.9)÷ 0.9 ☆
简便计算(加减法)
6.9+4.8+3.1
15.89+(6.75-5.89)
7.85+2.34-0.85+4.66
35.6-1.8-15.6-7.2
13.75-(3.75+6.48)
47.8-7.45+2.55
66.86-8.66-1.34
乘除法:0.25×16.2×4
0. 25×32 ×0.125
2 .5 ×(4 +0.4) (1.25-0.125)×8
4.8×100.1
4.2×99
56.5×9.9+56.5
5.4×11-5.4
3.83×4.56+3.83×5.44
7.09×10.8-0.8×7.09
3.65×4.7-36.5×0.37
13.7×0.25-3.7÷4
10.7×16.1-1.1×10.7 +10.7 ×5
4.9÷1.4
3.9÷(1.3×5)
63.4÷2.5÷0.4
(7.7+1.4)÷0.7
(加减法接近整百数的简算)
380+476+120 (569+468)+(432+131)
(加法交换律和结合律的运用)
256-147-53 373-129+29 189-(89+74) 456-(256-36)
(减法的简算,重点:运算符号变化的处理)
28×4×25 125×32×25 9×72×125
(乘法交换律和结合律的运用,重点:一个因数分成两个因数的处理)
720÷16÷5 630÷42
(除法的简算)
102×35 98×42
(乘法接近整百数的简算)
26×39+61×26 356×9-56×9
99×55+55 78×101-78
52×76+47×76+76 134×56-134+45×134
(乘法分配律的运用)
48×52×2-4×48
25×23×(40+4)
999×999+1999
(乘法分配律的综合运用)
158+262+138 375+219+381+225 5001-247-1021-232
(181+2564)+2719 378+44+114+242+222 276+228+353+219
(375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999
7755-(2187+755) 2214+638+286 3065-738-1065 899+344
2357-183-317-357 2365-1086-214 497-299 2370+1995
3999+498 1883-398 12×25 75×24
138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25
25×32×125 32×(25+125) 88×125 102×76 58×98
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2
98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)
178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75
16800÷120 30100÷2100 32000÷400 49700÷700
1248÷24 3150÷15 4800÷25 21500÷125
158+262+138
375+219+381+225
5001-247-1021-232
(181+2564)+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
7755-(2187+755)
2214+638+286
3065-738-1065
899+344
2357-183-317-357
2365-1086-214
497-299
2370+1995
3999+498
1883-398
12×25
75×24
138×25×4
(13×125)×(3×8)
(12+24+80)×50
704×25
25×32×125
32×(25+125)
88×125
102×76
58×98
178×101-178
84×36+64×84 75×99+2×75
83×102-83×2
98×199
123×18-123×3+85×123
50×(34×4)×3
25×(24+16)
178×99+178
79×42+79+79×57
7300÷25÷4
8100÷4÷75
16800÷120
30100÷2100
32000÷400
49700÷700
1248÷24
3150÷15
4800÷25
21500÷125
2356-(1356-721)
1235-(1780-1665)
75×27+19×2 5
31×870+13×310
4×(25×65+25×28)
(a+b)+ c = a +(b+c)
2.73 + 0.89 + 1.27
4.37 + 0.28 + 1.63 + 5.72
a-b-c = a -(b+c)
10 - 0.432 - 2.568
9.3 - 5.26 - 2.74
13.4-(3.4+5.2)
14.9-(5.2+4.9)
18.32 - 5.47 - 4.32
17.29 - 5.28 - 6.29
(a × b)×c = a ×(b × c)
25 × 6.8 × 0.04
0.25 × 32 × 0.125
6.4 × 1.25 × 12.5
c ×(a+b)= ca + cb
0.45 × 201
0.58 × 10.1
50.2 × 99
4.7 × 9.9
3.28 × 5.7 + 6.72 × 5.7
2.1 × 99 + 2.1
1.7 × 9.9 + 0.17
23 × 0.1 + 2.3 × 9.9
0.18 +4.26 -0.18 +4.26 ☆
0.58 ×1.3 ÷ 0.58 ×1.3 ☆
7.3 ÷4 + 2.7 × 0.25 ☆
3.75 × 0.5 - 2.75 ÷ 2 ☆
5.26 × 0.125 + 2.74 ÷ 8 ☆
a ÷ b ÷ c = a ÷ (b × c) 6.3 ÷ 1.8
9.5 ÷(1.9 × 8)
12.8 ÷ (0.4 × 1.6)
930 ÷ 0.6 ÷5
63.4 ÷ 2.5 ÷ 0.4
(7.7 + 1.54)÷ 0.7 ☆
(11.7 + 9.9)÷ 0.9 ☆
简便计算(加减法)
6.9+4.8+3.1
15.89+(6.75-5.89)
7.85+2.34-0.85+4.66
35.6-1.8-15.6-7.2
13.75-(3.75+6.48)
47.8-7.45+2.55
66.86-8.66-1.34
乘除法:0.25×16.2×4
0. 25×32 ×0.125
2 .5 ×(4 +0.4) (1.25-0.125)×8
4.8×100.1
4.2×99
56.5×9.9+56.5
5.4×11-5.4
3.83×4.56+3.83×5.44
7.09×10.8-0.8×7.09
3.65×4.7-36.5×0.37
13.7×0.25-3.7÷4
10.7×16.1-1.1×10.7 +10.7 ×5
4.9÷1.4
3.9÷(1.3×5)
63.4÷2.5÷0.4
(7.7+1.4)÷0.7
展开全部
184+98 695+202 864-199 738-301
(加减法接近整百数的简算)
380+476+120 (569+468)+(432+131)
(加法交换律和结合律的运用)
256-147-53 373-129+29 189-(89+74) 456-(256-36)
(减法的简算,重点:运算符号变化的处理)
28×4×25 125×32×25 9×72×125
(乘法交换律和结合律的运用,重点:一个因数分成两个因数的处理)
720÷16÷5 630÷42
(除法的简算)
102×35 98×42
(乘法接近整百数的简算)
26×39+61×26 356×9-56×9
99×55+55 78×101-78
52×76+47×76+76 134×56-134+45×134
(乘法分配律的运用)
48×52×2-4×48
25×23×(40+4)
999×999+1999
(乘法分配律的综合运用)
158+262+138 375+219+381+225 5001-247-1021-232
(181+2564)+2719 378+44+114+242+222 276+228+353+219
(375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999
7755-(2187+755) 2214+638+286 3065-738-1065 899+344
2357-183-317-357 2365-1086-214 497-299 2370+1995
3999+498 1883-398 12×25 75×24
138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25
25×32×125 32×(25+125) 88×125 102×76 58×98
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2
98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)
178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75
16800÷120 30100÷2100 32000÷400 49700÷700
1248÷24 3150÷15 4800÷25 21500÷125
(循环小数的用简便方法,除不尽保留2位小数):
8.2÷0.12
0.8÷0.9
76.4÷5.4
4.7÷3
1.25÷1.2
32÷42
14.36÷2.7
8.33÷6.2
1.7÷0.03
2.41÷0.7
0.1*0.02=
4.2/0.1=
99*0.35=
1.2/0.3=
1.25*0.8*0.5=
0.9/0.01=
1.5*0.4=
16/1.6=
3.5+3.5*3=
64.32/16=
0.05*0.8=
1.23/3=
0.62*1.02=
8.8/2.2=
2.4*2.5
4.2/3.5=
7.2*0.3+2.8*0.3=
2.87/0.7=
[1.5+0.25]*4=
6.4*0.2+0.36*0.2=
计算题:
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
口算题:
1.5×4=
2.5×8=
0.12×3=
2.4×0.2=
7.2×0.01=
5.1×0.3=
7×0.05=
0.25×0.4=
0.8×1.25=
1.4×0.5=
0.056×1.5=
0.36×0.1=
6.2×0.3=
3×0.2×0.5=
2.8×0.7×0.5=
【2.5+0.9】×0.4=
0.25×16=
7×1.6+7×0.4=
8×【2.5+0.25】=
8.4×0.2+1.6×0.2=
2.6/0.2=
6.4/0.8=
1/0.125=
0.32/0.04=
7.2/0.9
8.1/0.03=
0.24/0.6=
0.125/0.25=
0.49/7=
70/0.5=
13/4=
0.56/0.28=
1.5/30=
0.45/0.45=
3.2/0.16=
4.2/0.01=
0.27/3=
42/.6=
14.4/8=
0.35/0.7=
/代表÷、*代表×
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
(加减法接近整百数的简算)
380+476+120 (569+468)+(432+131)
(加法交换律和结合律的运用)
256-147-53 373-129+29 189-(89+74) 456-(256-36)
(减法的简算,重点:运算符号变化的处理)
28×4×25 125×32×25 9×72×125
(乘法交换律和结合律的运用,重点:一个因数分成两个因数的处理)
720÷16÷5 630÷42
(除法的简算)
102×35 98×42
(乘法接近整百数的简算)
26×39+61×26 356×9-56×9
99×55+55 78×101-78
52×76+47×76+76 134×56-134+45×134
(乘法分配律的运用)
48×52×2-4×48
25×23×(40+4)
999×999+1999
(乘法分配律的综合运用)
158+262+138 375+219+381+225 5001-247-1021-232
(181+2564)+2719 378+44+114+242+222 276+228+353+219
(375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999
7755-(2187+755) 2214+638+286 3065-738-1065 899+344
2357-183-317-357 2365-1086-214 497-299 2370+1995
3999+498 1883-398 12×25 75×24
138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25
25×32×125 32×(25+125) 88×125 102×76 58×98
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2
98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)
178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75
16800÷120 30100÷2100 32000÷400 49700÷700
1248÷24 3150÷15 4800÷25 21500÷125
(循环小数的用简便方法,除不尽保留2位小数):
8.2÷0.12
0.8÷0.9
76.4÷5.4
4.7÷3
1.25÷1.2
32÷42
14.36÷2.7
8.33÷6.2
1.7÷0.03
2.41÷0.7
0.1*0.02=
4.2/0.1=
99*0.35=
1.2/0.3=
1.25*0.8*0.5=
0.9/0.01=
1.5*0.4=
16/1.6=
3.5+3.5*3=
64.32/16=
0.05*0.8=
1.23/3=
0.62*1.02=
8.8/2.2=
2.4*2.5
4.2/3.5=
7.2*0.3+2.8*0.3=
2.87/0.7=
[1.5+0.25]*4=
6.4*0.2+0.36*0.2=
计算题:
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
口算题:
1.5×4=
2.5×8=
0.12×3=
2.4×0.2=
7.2×0.01=
5.1×0.3=
7×0.05=
0.25×0.4=
0.8×1.25=
1.4×0.5=
0.056×1.5=
0.36×0.1=
6.2×0.3=
3×0.2×0.5=
2.8×0.7×0.5=
【2.5+0.9】×0.4=
0.25×16=
7×1.6+7×0.4=
8×【2.5+0.25】=
8.4×0.2+1.6×0.2=
2.6/0.2=
6.4/0.8=
1/0.125=
0.32/0.04=
7.2/0.9
8.1/0.03=
0.24/0.6=
0.125/0.25=
0.49/7=
70/0.5=
13/4=
0.56/0.28=
1.5/30=
0.45/0.45=
3.2/0.16=
4.2/0.01=
0.27/3=
42/.6=
14.4/8=
0.35/0.7=
/代表÷、*代表×
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
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5.6x2.9
4.67x0.95
5.61x4.3
8.78x83
3.77x1.8
1.666x6.1
8.9x2.4
2.6x61
0.02x96
9.432x0.002
5.5x55
0.059x0.2
5.22x0.3
5.6x6.5
9.77x0.02
4.268x1.7
9.99x0.02
4.88x2.9
1.384x5.1
57x5.7
205x0.18
305x0.14
2.03x0.13
10.2x2.3
3.07x0.25
103x0.23
0.408x0.24
1.05x3.5
1.07x1.8
2.01x1.7
2.03x0.14
20.4x2.6
205x0.13
0.102x0.11
0.34x0.126
0.32x0.14
2.4x0.96
0.5x0.15
0.18x4.3
0.36x2.3
65x0.7
0.0016x13
0.65x0.17
0.62x5.2
5.8x0.32
0.65x7.3
72x0.03
8.7x0.92
7.65x8.5
7.4x0.98
3.7x0.016
5.76x1.3
3.83x2.6
0.12x1.4
1.28x0.04
56.2x4.08
2.02x3.6
125x2.04
23.5x1.02
2.5x20.1
8.81x1.01
19.1x0.3072.01x1.03
518x3.07
0.131x202
4. 15x1.03
2.42x1.05
1.25x8.08
1.02x2.15
1.02x20.6
18.6x1.5
2.06x0.25
2.8x0.165
2.36x0.35
1.25x8.8
0.24x2.5
0.025x14
1.05x35
1.6x0.85
0.35x8.04
3x=x+1003.4x- -48=26.8
10.5x+6.5x=51
x+4.8=7.2
42x+ 25x=134
89x- -43x=9.26x+18=48
1.5(x+1.6)=3.6
5x- -45=100
3(x+2.1)=10.5
2(x- -3)=5.8
1.2x-0.5x=6.
12x- -9x=8.7
65x+7=42
23.4=2x=56
13(x+5)=169 9x+4x2.5= 91
4x- x=48.6
2x- -97=34.2
4.2 x+2.5x= 134
X-5.7=2.15
16.9-X=0.3
2x+8=16
5X-2X=18
23x=14x + 14
23x-14x=14
3X+0.7=5
x+ 14x=65
X+7x=8
3.5x2= 4.2+x
3- 5x=80
9x- -3x=6
26x1.5= 2x+10
1.8 +6x= 54
6x- -8=4
0.5x16- -16x0.2= 4x 6.7x- 60.3= 6.7
5x+x=9
139.25- X=0.403
9+4x=40
2x- 6=12
3x-7=26
5x- -3x=4
7x+7=14
9x-x=16
2x+16=19
5x+8=19
6x-6=0
24x+x=50
14- -6x=8
5x+6=11
1.2x- -8=4
15+6x=27
2x- 8=10
3x-8= 30
5- -8x=4
2.5x- -8=4
6x+6=12
7x+8=15
3x+7=28
5.6x2.9
4.67x0.95
5.61x4.3
8.78x83
3.77x1.8
1.666x6.1
8.9x2.4
2.6x61
0.02x96
9.432x0.002
5.5x55
0.059x0.2
5.22x0.3
5.6x6.5
9.77x0.02
4.268x1.7
9.99x0.02
4.88x2.9
1.384x5.1
57x5.7
205x0.18
305x0.14
2.03x0.13
10.2x2.3
3.07x0.25
103x0.23
0.408x0.24
1.05x3.5
1.07x1.8
2.01x1.7
2.03x0.14
20.4x2.6
205x0.13
0.102x0.11
0.34x0.126
0.32x0.14
2.4x0.96
0.5x0.15
0.18x4.3
0.36x2.3
65x0.7
0.0016x13
0.65x0.17
0.62x5.2
5.8x0.32
0.65x7.3
72x0.03
8.7x0.92
7.65x8.5
7.4x0.98
3.7x0.016
5.76x1.3
3.83x2.6
0.12x1.4
1.28x0.04
56.2x4.08
2.02x3.6
125x2.04
23.5x1.02
2.5x20.1
8.81x1.01
19.1x0.3072.01x1.03
518x3.07
0.131x202
4. 15x1.03
2.42x1.05
1.25x8.08
1.02x2.15
1.02x20.6
18.6x1.5
2.06x0.25
2.8x0.165
2.36x0.35
1.25x8.8
0.24x2.5
0.025x14
1.05x35
1.6x0.85
0.35x8.04
3x=x+1003.4x- -48=26.8
10.5x+6.5x=51
x+4.8=7.2
42x+ 25x=134
89x- -43x=9.26x+18=48
1.5(x+1.6)=3.6
5x- -45=100
3(x+2.1)=10.5
2(x- -3)=5.8
1.2x-0.5x=6.
12x- -9x=8.7
65x+7=42
23.4=2x=56
13(x+5)=169 9x+4x2.5= 91
4x- x=48.6
2x- -97=34.2
4.2 x+2.5x= 134
X-5.7=2.15
16.9-X=0.3
2x+8=16
5X-2X=18
23x=14x + 14
23x-14x=14
3X+0.7=5
x+ 14x=65
X+7x=8
3.5x2= 4.2+x
3- 5x=80
9x- -3x=6
26x1.5= 2x+10
1.8 +6x= 54
6x- -8=4
0.5x16- -16x0.2= 4x 6.7x- 60.3= 6.7
5x+x=9
139.25- X=0.403
9+4x=40
2x- 6=12
3x-7=26
5x- -3x=4
7x+7=14
9x-x=16
2x+16=19
5x+8=19
6x-6=0
24x+x=50
14- -6x=8
5x+6=11
1.2x- -8=4
15+6x=27
2x- 8=10
3x-8= 30
5- -8x=4
2.5x- -8=4
6x+6=12
7x+8=15
3x+7=28
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57x(276+178)的简便方法
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