1.377÷1.11.377÷0.99
0.55÷0.11=
0.6×0.7=
7.2÷0.9=
0.7×2.5×4=
15.6+4.54=
1.21÷11=
3.6×4=
7.5×1.2÷7.5×1.2=
3.5÷0.14= 24.6÷12= 4.28÷6.5≈ (结果保留两位小数)
12.5+12.5÷5 26÷1.25÷8 3.8×5.1+3.8×4.9