题目列表(包括答案和解析)
| 看谁算得又对又快． 2.5-1.2= |
4×0.5= | 6.4+2.5= | 0÷2.8= |
| 2.5×0.4= | 8-2.5= | 5+5.5= | 1÷100= |
| 9-8.9= | 7.2+2.8= | 6.09-1.98= | 0.4×5= |
| 0×0.1= | 2.5÷10= | 8.05+5= | 8×0.25= |
| 2.35+7.65= | 5×2.4= | 0.69÷0.03= | 3+7.7= |
| 直接写出得数． 1.8×0.3= |
0.05×0.8= | 0.2+0.85= |
| 8.4÷0.4= | 1-0.25= | 4.32-3.98= |
| 3.6÷45= | 80.8÷12.5= | 2.4×1.02= |
| 18.9-（9.9+0.48）= | （2.5-0.25）×0.4= | 10-0.43-2.57= |
| 8.53+6-8.53+6= | 2.65+0.98+0.35= |
| 看谁算得又对又快． 2.5-1.2= | 4×0.5= | 6.4+2.5= | 0÷2.8= |
| 2.5×0.4= | 8-2.5= | 5+5.5= | 1÷100= |
| 9-8.9= | 7.2+2.8= | 6.09-1.98= | 0.4×5= |
| 0×0.1= | 2.5÷10= | 8.05+5= | 8×0.25= |
| 2.35+7.65= | 5×2.4= | 0.69÷0.03= | 3+7.7= |
| 4.5+6.3 | 6.5+4.8 | 8.6+7.7 | 10.05+0.4 |
| 34.6-4.9 | 9-4.2 | 3.45÷10 | 65.5÷10 |
| 9.43÷10 | 3.2÷100 | 2.75×10 | 6.783×100 |
| 0.35×2 | 0.8×6 | 5.2+1.7 | 0.01×8 |
| 1.6×0.3 | 7.31×100 | 3.8×4 | 6.3×0.1 |
| 0.8×0.9 | 0.7×1.2 | 2.5×0.4 | 4.5-1.5 |
| 7.5-0.1 | 0.125×8 | 0.23×0.5 | 9.6+5 |
| 8.36+0.75 | 0.35×6 | 0.83+0.6 | 3.16×2 |
| 0.65×2 | 4.7×0.4×0 | 0.09×6 | 0.4×0.1 |
| 2.3×0.3 | 8.3-2.4 | 5×0.02 | 1.68+3.34 |
| 9.6÷6 | 0.03×1.2 | 0.4+1.5 | 7.9×0.01 |
| 0.45+0.55 | 1.2+43 | 9.2-0.8 | 0.85×4 |
| 10.3+2.9 | 100×0.6 | 0.3×7 | 125×0.8 |
| 2.5×4 | 3.7+4.8 | 7×0.08 | 3.6÷0.6 |
| 9.3+0.7 | 0.162×100 | 4.2÷3 | 0.25×4×1.2． |
| 口算． 627-198= 429 429 |
3.05+6.2= 9.25 9.25 |
3.8×10%= 0.38 0.38 |
1-35%= 0.65 0.65 | ||||||||||||||||
| 0.6÷0.4= 1.5 1.5 |
5-1.4-2.6= 1 1 |
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