(1/5+3/4)÷(3/4-1/5) 4/15÷[1-(1/5+2/3)] 9/10+1.5÷(2-75﹪)简便算法
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(-3)÷[(-2/5)÷(-1/4)]
0.25÷(-2/3)×(-8/5) 1/6÷(-3/7)×(-1-1/5) 18×(-40.25÷(-2/3)×(-8/5) 1/6÷(-3/7)×(-1-1/5) 18×(-4/3)-(-2)×(7/3)
..25×3/4-(-25)×1/2+25÷(-4)(-4)÷「1.25+(2-5/4)×8」
2/15÷(1.1-3/4)+1/5X3/5
1/2÷【(1/4-1/5)×6】我算出是5/3对不对
简算.3/4×4/5÷3/4×5/4 8/13÷7+1/7×6/13 (3/5+1-1/10)
3-4(a-1)×(a+5)÷(a-1)>0解题步骤
填空;1÷(4/5×﹙﹚-1/5)=3
-1/60÷(1/3+1/4-1/5)=?
3x+(x-1)÷2=3-(2x-1)÷3 (3y-1)÷4=(5y-7)÷6
4分之1÷(3-13分之5-13分之8)
脱式计算 16/5×3÷4/5 25/9÷5/4÷4/5 (5/9-1/2×1/脱式计算16/5×3÷4/5 25/9÷5/4÷4/5(5/9-1/2×1/3)÷5/6
一道计算题 3/8×[6÷( 4/5 - 1/4)]
(1-0.8×4分之3)÷5分之4 怎么算?
(1).-2³+(3-6)²-8×(-1)四次方(2).(-3)³÷24分之1×(-3分之2)²+4-2 ²×(-3分之1)(3).(-5)÷(-1又7分之2)×0.8×(-2.25)÷7
简便运算,3-5/8÷25/28-3/10…二、4/5×[13/16÷(3/4+1/3)]
1-(5/7+3/14÷3/4)×2/7简算
能简算的要简算1-(5/7+3/14÷3/4)×2/7