32÷5-(56一18)简便运算怎么写?

2024-11-30 04:38:43
推荐回答(1个)
回答1:

32/5-(56-18)
=32/5-38
=32/5-38*5/5
=(32-38*5)/5
=(32-32*5-6*5)/5
=(-32*4-6*5)/5
=(-128-30)/5
=-158/5
=-31.6