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=相关试题
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= |
根据46×15=690，1575÷15=105，直接写出下面各题的结果．
4.6×15=
0.46×0.15=
15.75÷0.15=
15.75÷1.5= ．
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