5×6+35=65 2×2-2=2 9×6=54 14÷2=7 8×2-16=0 42-42÷7=36 42÷6=7 6×2-2=10 5-1×3=2 640-180=460 8×7-50=6 28÷4=7 9×2+4=22 1×9+2=11 78-55=23 9000-7200=1800 7800+1300=9100 57+16-13=60 2×7-7=7 6×9=54 9×9-80=1 4×8-29=3 24-5×4=4 28+3×9=55