赚现金
口算:0.6×2= 4.8÷0.6= 1.7+3= 4×9×0.25=1.25×16= 9.6÷32= 2﹣0.09= 8.5﹣0.24﹣1.76=26.26÷26= 4.57+6.43= 7.9×11﹣7.9= 3.14×32=
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