直接写出得数．
0.75+0.4= 20+0.78= 4.8+4.2= 5.7﹣3=
4.9﹣1.9= 1.34+0.8= 2﹣0.75= 8.7+0.03=
0.2﹣0.09= 8.5+2.5= 1.6+0.4= 4.5+2.5=
1﹣0.45= 100+0.9= 0.17+0.3= 0.82﹣0.22=
相关试题
×
﹣5
×
．简算
4.9+0.1﹣4.9+0.1
10.78﹣（2.78+3.693）
99.99×22.22+33.33×33.34
（2.5×2.5+2.5×2.5+2.5×2.5+2.5×2.5）×8．
计算
| 17×40= |
100﹣63= |
3+1.68= |
2.8×0.4= |
| 14﹣7.4= |
1.92÷0.04= |
0.32×500= |
0.65+4.35= |
| 10﹣5.4= |
4÷20= |
3.5×200= |
1.5﹣0.06= |
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