四六
18÷3= 4×2= 15÷5= 4×4=
2×2= 20÷4= 6×4= 9÷3=
5×2+9= 3×4-5= 5×5+3= 6×5-6=
二十二
×6=
×2=
2×6= 6×1= 3×6= 4×6= 6×5=
6×17 2×24 7×29
1×23 4×65×5 18+42+2472-13+39
4×412 2×63×4 75-26+1845+27-16
80分8角 5元6角65角
25+2568 78-2373
3×42×6 3×64×5