5⼀13x27+12x5⼀13简便计算。

2024-12-01 16:25:26
推荐回答(4个)
回答1:

4.8*13*12.5用简便方法解:运用拆分法和分配律的简便方法,原式=6x0.8x13x12.5=(6x13)x(0.8x12.5)=78x10=780

回答2:

5/13x27+12x5/13
=5/13x(27+12)
=5/13x39
=15

望采纳!谢谢!

回答3:


回答4:

5/13x27+12x5/13
=5/13x(27+13)
=5/13x39
=5x3
=15