3.5×2.3+1.46
2.5×64×12.5
7.95÷0.25÷40
2.5×2.7+7.3×2.5
201×0.15-0.15
43.5÷[0.01÷(2.1-2.08)]
4.2-3.8=
24÷0.8=
5.6×0.5=
10.3+2.45=
8.4÷2.1=
2.5×4÷2.5×4=
3.5÷0.7=
16.8÷4=
2.3+10=
7.5÷25=
27.9÷9=
6.06÷6=
2.5×0.4=
0.66÷11=
7.8÷3=
0.8×a×a=
3.6-0.36=
0.2×0.2=
7.6+0.6=
3.2m-0.2m-m=
①(1÷0.5+0.5÷1)×0.14
②0.4×0.4×1.5×2.5
③6.38×99+6.38
④(200-195.2)÷(8.37+1.23)×0.5
⑤[5.4÷18+(41.47+38.53)×0.1]÷2.5
50.8×1.55.08×15 3.8×0.983.8÷0.98
6.2÷0.56.2×2 1.29÷0.11.29×100