脱式计算81×7÷9 &...

脱式计算81×7÷9 18×(35+25)700-700÷5
2025-05-21 18:30:52
推荐回答(1个)
回答(1):

(1)81×7÷9 
=567÷9
=63;

(2)18×(35+25)
=18×60
=1080;

(3)700-700÷5
=700-140
=560.