一、计算下面各题,能简算的要简算。⑶3⼀7×(1⼀2-1⼀6) = = = =

2024-10-31 01:21:11
推荐回答(2个)
回答(1):

解:
3/7x(1/2-1/6)
=3/7x(3/6-1/6)
=3/7x2/6
=3/7x1/3
=1/7

回答(2):

3/7×(1/2-1/6)
=3/7×1/3
=1/7