题目列表(包括答案和解析)
| 直接写得数 0.8÷0.04= |
0.93×0.1= | 0.93÷100= | 1.72-0.7= |
| 0.076+0.36= | 0.6-0.52= | 10.2÷0.01= | 12.5×0.8= |
| 口算． 2.5+3.7= |
12-0.8= | 0.64-0.06= | 0.69+2.31= | 2.36+8.7= |
| 9.8-8.9= | 0.52+0.4= | 0.83+1.7= | 0.87-0.46= | 0.08+5.92= |
| 0.02×0.1= | 5.06x-4.07x= | 12-7.8= | a+0.4a= |
| 12÷0.3= | 4.6x+2.7x= | 1.7+0.43= | 0.58a-0.47a= |
| 1.5×0.4= | 4.8x-3.1x= | 1.25×0.2= | 12a-8.4a= |
| 64.32÷16= | 6x-4.9x= | 5.1b+11.9b= | 1.23÷3= |
| 100×0.01= | 3.4×0.07= | 3x+4x= | 0.42÷0.1= |
| 4.3b-2.7b= | 7÷0.25= | 5.1x+2.9x= | 1.75×0.8= |
| 0.3×0.4= | 5.4+1.4= | 2.7x+3.6x= | 16÷1.6= |
| 10x-3.7x= | 0.98+1.82= | 2.5x+4.3x= | 0.05×0.8= |
| 6.05x-4.96x= | 3.7a+5.2a= | 3.2÷1.6= | 3.12÷0.5= |
| 3.5+7.6= | 5.1a+3.9a= | 10×0.75= | 3b-0.7b= |
| 5.6×0.1= | x×x= | 0.9÷0.01= | 3.4b+5.6b= |
| 72.8÷0.8= | 2.7b+5b= | 3.5×3= | 7.6b-4.3b= |
| 32= | 2.52= | 4x+5x= | 3.5t-t= |
| 8a-3a= | 7b+b= | 4c-2c= | 3.5b+2.7b= |
| 0.32÷0.04= | 0.51×0.2= | 0.12+3.4= | 102= |
| 直接写得数． 36+79= |
15÷1%= |
9.1-1.9= |
7.2÷0.6= |
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1+30%= | 0.25×8= | ||||||||||||
| 0.52= | 6π= | （
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99×0.8+0.8= |
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