6×5=
4×8=
72÷9=
60-20=
30+46=
76-40=
14-7= 50+16= 45+21= 40+20= 78-8=
61-47= 53-5= 2x5= 87+5= 56+8=
35+28+17= 55-9+7= 71-(40+3)= 64-(30-8)=
7×430 5×835 9×327 8×428
9×770 6×850 4×96×6 5×97×9