直接写出计算结果. 7×0.5=4÷0.8=5.6-2.3=0.125×4=44÷1.2=3.2÷1=3.07×100=1.8×5=36÷3.6=9.6÷1.2=0÷0.9=0.1×0.12=5÷0.3×0.2=12.5+12.5÷12.5=0.6+0.6÷0.6-0.6=2×0.7+4.2×0.3=(8.5-1.5)÷0.1=20-3.7-6.3=
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解:7×0.5=3.5,4÷0.8=5,5.6-2.3=3.3,0.125×4=0.5,44÷1.2=,3.2÷1=3.2,3.07×100=307,1.8×5=9,36÷3.6=10,9.6÷1.2=8,0÷0.9=0,0.1×0.12=0.012,5÷0.3×0.2=,12.5+12.5÷12.5=13.5,0.6+0.6÷0.6-0.6=1,2×0.7+4.2×0.3=2.66,(8.5-1.5)÷0.1=70,20-3.7-6.3=10.故