问题 解答题
直接写得数
0.4+0.06=
8.6-7=1+0.45=
7×0.9=0.78×0.1=32.1×0.2=
1.8-0.5=3.2÷32=0.36÷0.09=
4.3-2.3=9.6÷0.3=3.2+4.7=
2÷0.5=0.1×0.1=21÷0.3=
2.8+8=
答案

0.4+0.06=0.46,8.6-7=1.6,1+0.45=1.45,
7×0.9=6.3,0.78×0.1=0.078,32.1×0.2=6.42
1.8-0.5=1.3,3.2÷32=0.1,0.36÷0.09=4,
4.3-2.3=2,9.6÷0.3=32,3.2+4.7=7.9,
2÷0.5=4,0.1×0.1=0.01,21÷0.3=70,
2.8+8=10.8.

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