4.38÷0.994.38
6.48×0.164.8×0.01 1.2÷0.840.84
5.6×100=
5.6+0.8=
1.2×4=
5-0.45=
3.9÷0.1=
7.6÷7.6+2.7=
7.2÷9=
0.45÷0.3=
341-29= 5.7+1.24= -0.25= × =
3.2÷80%= ÷ = ×0+ = 12.5×8÷12.5×8=