41.2一15.6验算?

2024-11-17 09:37:42
推荐回答(5个)
回答1:

41.2-15.6=25.6

验算:

25.6+15.6=41.2

41.2-25.6=15.6

竖式验算:

回答2:

解:41.2一15.6等于( 128/5 ),【即等于25.6】
∵已知需求出41.2一15.6等于多少
X - Y = Z,即X = Z + Y
∴41.2 - 15.6
= (41×10+2)/10 - (15×10+6)/10
= 412/10 - 156/10
= 256/10
= 128/5
= 25.6
经检验,41.2 = 25.6 + 15.6符合题意
答:41.2一15.6等于128/5,【即等于25.6】

回答3:

41.2一15.6的验算,应该是先计算,再验算,最后还得写清结论。
(1)计算:41.2-15.6=25.6,
(2)验算:25.6+15.6=41.2,
(3)结论:由验算可知,计算是正确的。

回答4:

41.2-15.6=25.6
验算:25.6+15.6=41.2
经过验算,41.2-15.6=25.6是正确的

回答5:

41.2-15.6=25.6
验算:25.6+15.6=41.2