75×12+280÷7×(37-17)怎么脱式计算?

2026-05-19 21:35:03
推荐回答(2个)
回答1:

75×12+280÷7×(37-17)
=75×12+280÷7×20
=900+40×20
=900+800
=1700

回答2:

75×12+280÷7×(37-17)
=900+40x20
=900+800
=1700