0.9-0.45= 100×0.45= 3.6÷0.12= 6.3÷0.7=
4.8÷2.4= 1.25×0.8= 0.6+0.38= 4.2×0.4=
14-6.4= 0.5×1.1= 0.7÷0.35= 0.25×40=
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