Question

6÷3×8÷4+30÷6×5 = ; 4×7+16÷4×7= ; 6×4÷3+54÷6 ; 3×6+2×9+(39+7×4)

Answer 1

6÷3•8÷4+30÷6•5=29
4•7+16÷4•7=56
6•4÷3+54÷6=17
3•6+2•9+(39+7•4)=103