问题 解答题
直接写得数.
0.3+0.7=0.5×0.5=3.5÷10=0.21÷3=0.1-0.01=
100×0.6=0.8+5.2=4.3×2=5.6÷8=5-4.5=
答案

0.3+0.7=10.5×0.5=0.253.5÷10=0.350.21÷3=0.070.1-0.01=0.09
100×0.6=600.8+5.2=64.3×2=8.65.6÷8=0.75-4.5=0.5

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