0.8*4.6+6.4⼀1.25的简便方法怎么算?

2025-04-06 03:18:26
推荐回答(1个)
回答1:

简便计算
0.8x4.6+6.4÷1.25
=4.6x0.8+6.4x0.8
=(4.6+6.4)x0.8
=11x0.8
=8.8