87-17+15-33怎样计算最简 便?

2024-11-17 11:51:03
推荐回答(5个)
回答1:

解:简便运高耐算灶念帆如隐雹下:
87-17+15-33
=87-(17+33)+10+5
=87-50+10+3+2
=37+10+3+2
=47+3+2
=52

回答2:

87-17+15-33
=87-(17+33)+15
=87-50+15
=37+15
=52。

回答3:

原式=87+15-(17+33)
=102-50
=52.

回答4:

=87+15-(17+33)
=87+15-50
=87-50+15
=37+15
=52

回答5:

87-17+15-33
=87+15-(17+33)
=102-50
=52