题目列表(包括答案和解析)
| 解方程． x+0.8=1.7 |
x-3.2=7.6 | 2.5+x=17.5 |
| 5x=24 | x÷0.6=4.2 | 0.7x=0.84． |
| 口算． 0.72+0.6= |
1-0.25= | 5.4÷0.9= | 1.5×0.6= |
| 7.2÷0.8= | 0.5×12= | 5.9×1= | 1÷0.5= |
| 看谁算得又对又快． 1.5×2= |
3.6÷3= | 8.7×1= |
| 4.2×0.3= | 4.8×0.4= | 2.8÷0.7= |
| 1.7×10= | 0.24÷0.6= | 1.2×0.2= |
| 0.5×6= | 0.54÷9= | 7.5÷0.5= |
| 1.8+0.5= | 2.5-0.1= | 4.8-0.2= | 74+71= | ||||||||||||
| 48+10= | 24÷12= | 68÷0.68= | 94.7÷0.1= | ||||||||||||
| 61.8÷0.6= | 0.8×6.7= | 3÷8= | 0.12×3= | ||||||||||||
| 32= | 8.2-2.8= | 3.5÷0.7= |
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5.3+0.5= | 46+18= | ||||||||||||
| 8.5-1.5= | 69+10= | 28.8+0.4= | 40.5÷0.5= | ||||||||||||
| 92.7÷0.3= | 0.5×1.3= | 16×0.5= | 4.4+0.1= | ||||||||||||
| 6.1-0.1= | 3.3+0.6= | 33.2÷0.4= | 1÷0.25= | ||||||||||||
| 1.5×4= | 6.5+1.35= | 1.3-1.2= |
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5.7-1.7= | 0.35+0.75= | ||||||||||||
| 0.2×1.1= | 1.6÷0.4= | 10÷4= | 3.4÷0.2= | ||||||||||||
| 52÷13= | 57÷19= | 3.7-0.8= | 29+92= | ||||||||||||
| 8.2+0.7= | 6.5-5.6= | 4.8÷0.3= | 33= | ||||||||||||
| 1.25×8= |
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| 2.1÷0.3= | 3.2×3= | 2.8-1.8= | 0.9×6.2= |
| 心算． 0.6×0.7= |
0.9×0.05= | 0.12×0.6= |
| 1.2×0.3= | 0.03×0.6= | 0.16×0.5= |
| 0.7×0.8= | 23×0.3= | 0.15×0.4= |
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