直接寫得數(shù)對又快: 0.16×5﹦ | 7.8+2= | 9.6÷0.6= | 1.2×0.1= |
0.7÷0.01= | 2.5×0.4= | 10-3.97= | 1.25×80= |
6.6÷0.66= | 4÷0.8= | 5.37×0+4.63= | 0.42= |
解:0.16×5﹦0.8 | 7.8+2=9.8 | 9.6÷0.6=16 | 1.2×0.1=0.12 |
0.7÷0.01=70 | 2.5×0.4=1 | 10-3.97=6.03 | 1.25×80=100 |
6.6÷0.66=10 | 4÷0.8=5 | 5.37×0+4.63=4.63 | 0.42=0.16 |
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