sophiastrock sophiastrock 14-09-2020 Mathematics contestada Please help me!! 1st question 9−32÷4 2nd question 108÷9⋅(−12)÷6−(100÷5) 3rd question 6 + 8 ÷ 2 4th question 40÷[24−4×(2+3)] 5th question 3u+7v+4u−2v