3.25÷2.5×4
10.1×7.8-0.78
64.8÷[(2.76+1.24)×2]
6.5÷12.5÷0.8
0.5+4.5x=45.5
0.8+1.7-x=1.73
2(x-3)=11.6
10÷1000=
9.12-1.2=
3.5×0.01=
5.6-0.6×5=
0.05×24=
0.7÷0.07=
0.4÷8=
1.2×2÷1.2×2=
5.74÷10=
4.2÷0.07=
0.32=
1.25×17×0.8=
0.01÷0.1=
0.2x×8=
1.2×4÷1.2×4=
a×a×2=
0.125×7.16×80
22.5÷2.5÷0.4
101×0.67
1.97×1.03+1.97×0.97﹣1.97
0.65×11﹣0.65
0.25×40÷0.25×40
①26.8÷0.4÷2
②4.8÷0.6+3.5÷7
③84.4÷0.4-90.8
④7.2×2-18.6÷6
⑤4.2÷0.75÷0.5
⑥1.8×0.3÷1.2
8.6×99=×(-) (2.5×1.7)×=1.7×(×4)
0.4元5角 3.2分米2.3分米 4.5米3.8米 2年20个月 6平方米599平方分米
这节课要上40分钟,上课时是9:25,应在时分下课。