题目内容

直接写得数.
4.2×0.1=8÷0.01=0.25×4=26÷4=
4.2÷2=0.6×4=0.36÷3=0.1×3.5=
2÷0.5=8.9÷0.l=0.6×4=21÷0.7=
4.2×0.1=0.42,8÷0.01=800,0.25×4=1,26÷4=6.5,
4.2÷2=2.1,0.6×4=2.4,0.36÷3=0.12,0.1×3.5=0.35,
2÷0.5=4,8.9÷0.l=89,0.6×4=2.4,21÷0.7=30.
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