2 câu trả lời
12×15×176×34×45
=2
= ( cancel{2} × cancel{6} × cancel{15} × cancel{17} )/( cancel{6} × cancel{2} × cancel{17} × cancel{15} × 3)
= 1/3
12×15×176×34×45
=2
= ( cancel{2} × cancel{6} × cancel{15} × cancel{17} )/( cancel{6} × cancel{2} × cancel{17} × cancel{15} × 3)
= 1/3