题目内容

直接写得数:
0.04×0.5= 0.81×0.1= 25×0.04= 2.5×0.4= 4.4-0.44=
0.3÷0.01= 7÷0.5= 0.66÷0.6= 2.01+2.001= (3.254-1.769)×(2.9-2.9)=
0.04×0.5=0.02; 0.81×0.1=0.081; 25×0.04=1; 2.5×0.4=1; 4.4-0.44=3.96;
0.3÷0.01=30; 7÷0.5=14; 0.66÷0.6=1.1; 2.01+2.001=4.011; (3.254-1.769)×(2.9-2.9)=0;
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