3⼀8×10⼀13+5⼀13×4⼀8的简算过程?

2025-05-15 19:06:19
推荐回答(3个)
回答1:

观察发现可以先约分,得到
3/4×5/13+5/13×2/4
=5/13×(3/4+2/4)
=5/13×5/4
=25/52

回答2:

3/8×10/13+5/13×4/8
=3/8x2x5/13+5/13x4/8
=(6/8+4/8)x5/13
=5/4x5/13
=25/52

回答3:

解题过程如下
3/8×10/13+5/13×4/8
=3/8x2x5/13+5/13x4/8
=(6/8+4/8)x5/13
=5/4x5/13
=25/52