4.9×5⼀7等于多少?要过程信息。

2025-04-02 12:54:01
推荐回答(5个)
回答1:

解:4.9×5/7等于( 3.5 )
∵已知需求出4.9×5/7等于多少
A × B = A * B = C
∴4.9 × 5/7
= (4×10+9)/10 × 5/7
= 49/10 × 5/7
= 7/2
= 3.5
答:4.9×5/7等于3.5

回答2:

4.9×5/7
=0.7×5
=3.5

回答3:


图望采纳

回答4:


回答5:

4.9*5/7
=0.7*5=3.5