Question

plz answer all questions friends fastly please friends plz answer ​

Answer 1

1)20×16×16/(4×4×4)=5×4×4=80

2)30×24×18/(6×6×6)=5×4×3=6

3)15×10×5/(5×5×5)=3×2×1=6

in first question 18 is given

there is 18

then balance 2 units can't be used

so I change as16