4.56÷0.994.56
2.36×1.012.36
7.9×0.87.9
2.1÷0.012.1×100
2.4÷0.22.4 32.8÷0.2532.8×4
9.2×1.19.2÷1.1 1.561.56×0.28
1÷0.25= 0.39÷3= 4.6×5÷4.6×2=
1.25×0.8= 0.46+0.4= 12.8+7.5-12.8+7.5=
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