问题
解答题
用竖式计算.
|
答案
(1)7.4+12.86=20.26;
(2)20-5.674=14.326;
(3)141.2-48.98=92.22;
(4)102+4.36=106.36;
(5)32.15-27.45=4.7;
验算:
(6)12.9+5.01=17.91;
验算:
用竖式计算.
|
(1)7.4+12.86=20.26;
(2)20-5.674=14.326;
(3)141.2-48.98=92.22;
(4)102+4.36=106.36;
(5)32.15-27.45=4.7;
验算:
(6)12.9+5.01=17.91;
验算: