Question

5×9-33+12 80-4×7-13 40÷8×3+7 9×4-6×5

Answer 1

1.5*9-33+12=45-33+12=24
2.80-4*7-13=80-28-13=39
3.40/8*3+7=5*3+7=15+7=22
4.9*4-6*5=36-30=6