六年级分数简便运算,1/2÷4/5÷(2/9×3/8) (5/6-3/4)÷5/12÷9/5 3/7÷[5/7-(3/7
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1/2÷4/5÷(2/9×3/8)
=1/2 x 5/4 x9/2 x 8/3
=5/8 x 8/3 x 9/2
=5/3 x 9/2
=15/2
相关问题
1/2÷4/5÷(2/9×3/8) (5/6-3/4)÷5/12÷9/5 3/7÷[5/7-(3/7+1/5)] 简便计
1÷2/1÷3/2÷4/3÷5/4÷6/5÷7/6÷8/7÷9/8÷10/9简便算法
1+1×2+2×3+3×4+4÷5+5÷6+6÷7+7÷8+8÷9+9÷10+10=?
简便计算 3/35÷3/35×2 4/9×8/7÷4/9 4/7×(3/4+7/9) 5/8÷3/7÷5/4
3.6÷0.4-1.2×5 90÷【3.6-1.8】 【31.6-11.7】÷2.5÷0.4 3.4×7.8÷3.9 5
6-2 3 5 = 18 9 13 ÷9= 5.6× 4 7 = 1 3 + 1 6 = 8÷ 4 7 = 4 5 ÷0
3×(-9)+7×(-9) (5/4-7/6)×(-8/7) (-54)÷6÷(-3) (-54)÷6÷(-3) 2×{
(1)4×9+14 (2)81÷9+45 (3)24÷7×4 (4)35÷7×5 (5)40÷5×7 (6)36÷9×3
3/2×8/15÷9/4=9/5 2/5÷5/3÷7/4=8/21 3/5+4/3×8/7=18/35
4×9= 42÷6= 63÷9= 25÷5= 10÷5= 15÷3= 8×3= 7÷7= 54÷6= 32÷8= 9÷3