①2.95×3.8=
②*1.55÷3.9≈
5.5×0.02=
0×0.964=
0.5×2.4=
40×0.09=
0.8×0.04=
0.36×2=
3.3×0.3=
0.125×0.8=
0.8×0.7=
0.14×0.3=
3.2×0.3=
0.16×0.5=
18÷20×3.75 1.45× (7.2÷2.4)
0.78+0.22÷5 (7.5-2.3×0.4)÷0.01
12.5×80=
2.34×0.2=
7.73+2.07=
0.8×0.5=
2.4×0.5=
0.14×0.3
12-0.9=
1.87×0=
①3.09×0.016≈ (保留两位小数)
②12.98÷0.16= 验算:
2.05×1.2=
1.08÷0.8=
7.25×2.06≈(保留一位小数)
7.68÷26≈(保留两位小数)