直接写出得数.13×0.2=1-0.9=0.32÷2=0.8×5=9×0.1=3.11+2.22=0.36÷0.4=12.5+12.5×7=8m-6m=1.62-0.62
直接写出得数.13×0.2=1-0.9=0.32÷2=0.8×5=9×0.1=3.11+2.22=0.36÷0.4=12.5+12.5×7=8m-6m=1.62-0.62...
直接写出得数.13×0.2=1-0.9=0.32÷2=0.8×5=9×0.1=3.11+2.22=0.36÷0.4=12.5+12.5×7=8m-6m=1.62-0.62 5.9+4.4=0.053×100=
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