| 26.7-17.5= | 61.6+31.9= | 30-1.65= | 24.08+4.33=验算 |
| 67.08-7.58=验算 | 32.5+17.45=验算 | 45.8-22.27=验算. |
26.7
;61.6+31.9=93.5;
61.6
;30-1.65=28.35;
30
;24.08+4.33=28.41;
24.08
;验算:
4.33
;67.08-7.58=59.5;
67.08
;验算:
59.05
;32.5+17.45=49.95;
32.5
;验算:
17.45
;45.8-22.27=23.53;
45.8
;验算:
22.27
.分析:根据小数加减法竖式计算的方法求解.
点评:本题考查了小数竖式计算的方法,注意把小数点对齐,小数点对齐数位才能对齐.