问题 解答题
直接写得数.
12.6-9=
13+6.7=10-3.2=0.06×0.7=
3.28÷4=3.3×4×0=100÷40=0.05×1.6=
答案

12.6-9=3.6,13+6.7=19.7,10-3.2=6.8,0.06×0.7=0.042,

3.28÷4=0.82,3.3×4×0=0,100÷40=2.5,0.05×1.6=0.08;

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