简便计算(要过程）1/5-1/5÷3
4/15÷4+3/4×4/15（1/2+3/4+1/8）×165/7×7/8-7/8×5/75/12×1/9×241-3/5÷3/5×7/8...
4/15÷4+3/4×4/15
（1/2+3/4+1/8）×16
5/7×7/8-7/8×5/7
5/12×1/9×24
1-3/5÷3/5×7/8 展开
（1/2+3/4+1/8）×16
5/7×7/8-7/8×5/7
5/12×1/9×24
1-3/5÷3/5×7/8 展开
3个回答
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1/5-1/5÷3
=1/5-1/5*1/3
=1/5*(1-1/3)
=1/5*2/3
=2/15
4/15÷4+3/4×4/15
=4/15×1/4+3/4×4/15
=4/15×(1/4+3/4)
=4/15
（1/2+3/4+1/8）×16
=1/2×16+3/4×16+1/8×16
=8+12+2
=22
5/7×7/8-7/8×5/7
=7/8×(5/7-5/7)
=7/8×0
=0
5/12×1/9×24
=10×1/9
=10/9
1-3/5÷3/5×7/8
=1-3/5×5/3×7/8
=1-7/8
=1/8
=1/5-1/5*1/3
=1/5*(1-1/3)
=1/5*2/3
=2/15
4/15÷4+3/4×4/15
=4/15×1/4+3/4×4/15
=4/15×(1/4+3/4)
=4/15
（1/2+3/4+1/8）×16
=1/2×16+3/4×16+1/8×16
=8+12+2
=22
5/7×7/8-7/8×5/7
=7/8×(5/7-5/7)
=7/8×0
=0
5/12×1/9×24
=10×1/9
=10/9
1-3/5÷3/5×7/8
=1-3/5×5/3×7/8
=1-7/8
=1/8
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/5-1/5÷3
=1/5-1/5*1/3
=1/5*(1-1/3)
=1/5*2/3
=2/15
4/15÷4+3/4×4/15
=4/15×1/4+3/4×4/15
=4/15×(1/4+3/4)
=4/15
（1/2+3/4+1/8）×16
=1/2×16+3/4×16+1/8×16
=8+12+2
=22
5/7×7/8-7/8×5/7
=7/8×(5/7-5/7)
=7/8×0
=0
5/12×1/9×24
=10×1/9
=10/9
=1/5-1/5*1/3
=1/5*(1-1/3)
=1/5*2/3
=2/15
4/15÷4+3/4×4/15
=4/15×1/4+3/4×4/15
=4/15×(1/4+3/4)
=4/15
（1/2+3/4+1/8）×16
=1/2×16+3/4×16+1/8×16
=8+12+2
=22
5/7×7/8-7/8×5/7
=7/8×(5/7-5/7)
=7/8×0
=0
5/12×1/9×24
=10×1/9
=10/9
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自己计算，孩子！
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