直接写出得数．
0.42÷7= 2÷5= 1÷0.2= 7÷8=
8.4÷2.1= 0.69÷1= 1.26÷0.6= 0.5÷0.2=
0.9×100÷1000= 12.4﹣（2.4+3.25）= 0.01÷0.001×0.1= 0.5×0.1÷0.5×0.1=
直接写出得数．
0.42÷7= 2÷5= 1÷0.2= 7÷8=
8.4÷2.1= 0.69÷1= 1.26÷0.6= 0.5÷0.2=
0.9×100÷1000= 12.4﹣（2.4+3.25）= 0.01÷0.001×0.1= 0.5×0.1÷0.5×0.1=
×2=
×1= 12×
=
×7=
×
=
涂上颜色．
是多少？
的42倍是多少？
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