[1/2-(3/4-3/5)]÷7/10 简便计算
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[1/2-(3/4-3/5)]÷7/10 简便计算
[1/2-(3/4-3/5)]÷7/10 简便计算
[1/2-(3/4-3/5)]÷7/10 简便计算
[1/2-(3/4-3/5)]÷7/10
=[1/2-3/4+3/5]×10/7
=1/2×10/7-3/4×10/7+3/5×10/7
=5/7-15/14+6/7
=5/7+6/7-15/14
=11/7-15/14
=1/2
2÷4/3 4/7÷6/7 8/7×5 1/3-1/5 7/15÷10%
(4/5+1/4)÷7/3+7/10
(4/3-5/3)÷10/7 (3/2+9/2)÷21/20 1-14/5÷7/5(4/3-5/3)÷10/7 (3/2+9/2)÷21/20 1-14/5÷7/5 4/1÷(3/2+2/1)×5/4
1÷2/1÷3/2÷4/3÷5/4÷6/5÷7/6÷8/7÷9/8÷10/9简便算法
1÷2/1÷3/2÷4/3÷5/4÷6/5÷7/6÷8/7÷9/8÷10/9=?
1+2+3+4+5+6+7+8+9+10÷11÷12×0=?
4/7÷4/5= 1÷7/9= 2-4/9= 4/9×4/7= 3/10÷9/10=
5/4*3/5=5/4÷5/3=0*5/11=0÷3/2=1/2*6=6÷1/2=1/10÷7/10=28*7/4=4/7÷4=4/7÷8=3÷1/10=3/5÷1/5=1/3÷4/3=5/8*8/5=
二道负数除法,(1/3-3/5-3/10)÷(-7/30) (1/2-1/3)÷4÷(-1/4)
帮忙算几道小学乘除法口算题40/27÷36 8÷25/16 9/8÷27/10 6/5÷6 8×4/1 4/3÷4 4/9÷2/3 5/2÷4 5/1÷3/2 9/7×6/5 18/5÷18/5 7/4÷4/7 7÷5/7 5/1+4/1 3/8÷2 100×15/85/3÷6÷15/1 5/9×3/2÷35/18 15÷25/9×5/4 15-7/3×9/4 9/4×16/15÷6/5直
3/5-3/7+2/5-4/7 1/2+9/20÷9/10-5/8能不能简便运算?3/5-3/7+2/5-4/7 1/2+9/20÷9/10-5/8简便
(5/7-1/2)÷(10/21-3/10) 简算
10分之7+(5分之4-4分之1)÷2又4分之3简算
5/8÷5×4/7= 4/7÷(3÷1/4)= 15/18×(1/2+1/10)=
[1/2-(3/4-3/5)]÷7/10 简便计算
(4/5+1/4)÷2/3+3/10
能简算的要简算 (3/4-3/5)÷7/10 (2/3+2/9)÷20/21 1-5/14能简算的要简算(3/4-3/5)÷7/10(2/3+2/9)÷20/211-5/14÷5/71/4÷(2/3+1/2)×4/5
①.1÷3/5×2/5+2/3 ②.9/10×1/3-3/20③5/12+5/4÷5/8×1/2 ④5÷7-1/7×3 ⑤7÷15-7/30×2 ⑥.1-4/7÷2×4/7【数学计算】