5.4÷9=
0.43×0.1=
12.5×0.8=
1-0.12=
3.6+4.7=
84÷0.2=
2.38÷0.01=
4×2.5=
①2.08×8.5= ②0.864÷0.32=
③2.4×1.6= ④3.01÷3.3≈
40-(4.6×0.8+16.32) 1.25×5.5×2×8 5.2÷0.4÷2.5 99×6.75 4.8×18.7+18.7×5.2 16.2÷[(3.2+4.8)÷1.6]
王老师从家到学校共10km,他乘坐滴滴快车上班共付车费22.8元,王老师上班用时多少分?