4⼀5÷[(1⼀2+2⼀5)×4⼀11] 要计算过程

2024-11-25 07:06:16
推荐回答(2个)
回答1:

4/5÷[(1/2+2/5)×4/11]
=4/5÷(9/10×4/11)
=4/5×10/9×11/4
=8/9×11/4
=22/9

回答2:

4/5÷[(1/2+2/5)×4/11]
=4/5÷[(5/10+4/10)x4/11]
=4/5÷(9/10x4/11)
=4/5÷18/55
=4/5x55/18
=22/9