题目内容

口算:
0.4×0.02=
3.5+7.6= 1.23÷3= 2.4×2.5=
16÷1.6= 0.9÷0.01= 7÷0.25= 99×0.25=
1.2×0.4+0.4×1.3= 4×(1.5+0.25)=
0.4×0.02=0.008, 3.5+7.6=11.1, 1.23÷3=0.41, 2.4×2.5=6,
16÷1.6=10, 0.9÷0.01=90, 7÷0.25=28, 99×0.25=24.75,
1.2×0.4+0.4×1.3=1, 4×(1.5+0.25)=7.
故答案为:0.008,11.1,0.41,6,10,90,28,24.75,1,7.
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