简便计算,4⼀23×47、4/13×5⼀7×26

2025-04-13 15:16:25
推荐回答(1个)
回答1:

,4/23×47
=4/23×(46+1)
=4/23×46+4/23
=8+4/23
=8又4/23

4/13×5/7×26
=(4/13×26)×5/7
=8×5/7
=5又5/7