摘要：72÷8= 0.3×0.3= 0.12÷0.4= 0.4×100=
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直接写出得数
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| 2.5×0.4= | 1.7+5= | 0.72÷0.6= | 7.96-7.9= | 1.5÷0.3= |
| 2.8×0= | 1.5×6= | 0.25×16= | 2.5×100= | 4.8÷6= |
| 0.5×0.9= | 6.1-6.1= | 0.12×5= | 4.8+5.7= | 28-3.6-4.4= |
| 5÷2.5= | （4.8+3.2）÷4= | 8.4÷21= | 0.5×0.08= | 8.3÷0.01= |
| 0.5÷0.5+0.5÷0.5= | 4-0.4= | 2.4×0.5= | 0.99+0.01÷10= |
| 直接写出得数． 0.002×100=0.2 |
8÷100=0.08 |
0÷100+72=72 |
25×19×4=1900 |
| 0.83-0.23=0.6 | 4.8+0.12=4.92 | 5-2.7=2.3 | 3.6+7.65+6.4=17.65． |
直接写出得数
| 2.5×0.4= | 1.7+5= | 0.72÷0.6= | 7.96-7.9= | 1.5÷0.3= |
| 2.8×0= | 1.5×6= | 0.25×16= | 2.5×100= | 4.8÷6= |
| 0.5×0.9= | 6.1-6.1= | 0.12×5= | 4.8+5.7= | 28-3.6-4.4= |
| 5÷2.5= | （4.8+3.2）÷4= | 8.4÷21= | 0.5×0.08= | 8.3÷0.01= |
| 0.5÷0.5+0.5÷0.5= | 4-0.4= | 2.4×0.5= | 0.99+0.01÷10= |