2.5+0.37= 1﹣0.73= 0.5×0.8= 0.9×7=
1.2÷0.4= 4÷0.5= 3.6÷4= 0.84÷0.4=
※2.08×3.5
✽45.6÷2.8
6.4÷0.8=
80×2.5=
0.3+0.78=
9.9×0.2×50=
6.6÷6=
1.5×0.3=
1-0.02=
1.8×8+1.8×2=