[1/4-(2/3-1/2)]➗14/15怎样计算?
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[1/4-(2/3-1/2)]÷14/15
=[1/4-(4/6-3/6)]÷14/15
=[1/4-1/6]÷14/15
=[3/12-2/12]÷14/15
=1/12×15/14
=15/168
=5/56
望采纳 谢谢~~
=[1/4-(4/6-3/6)]÷14/15
=[1/4-1/6]÷14/15
=[3/12-2/12]÷14/15
=1/12×15/14
=15/168
=5/56
望采纳 谢谢~~
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原式=(1/4-(4/6-3/6))÷14/15
=(1/4-1/6)÷14/15
=(3/12-2/12)×15/14
=1/12×15/14
=5/42
=(1/4-1/6)÷14/15
=(3/12-2/12)×15/14
=1/12×15/14
=5/42
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[1/4-(2/3-1/2)]➗14/15
=(1/4-(4/6-3/6))÷14/15
=(1/4-1/6)÷14/15
=(3/12-2/12)×15/14
=1/12×15/14
=1/4×5/14
=5/56
=(1/4-(4/6-3/6))÷14/15
=(1/4-1/6)÷14/15
=(3/12-2/12)×15/14
=1/12×15/14
=1/4×5/14
=5/56
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