Question

2/5  *  3/4  *  5/6  /  3/4

Answer 1

= 3/10 x 5/6 : 3/4

= 1/4 : 3/4

= 1/3

ai tích mk mk tích lại

Answer 2

2/5 x 3/4 x 5/6 x 3/4 = 2/5 x 3/4 x 5/6 = 6/20 x 5/6 = 30/120 = [ rút gọn ] 3/4

Answer 3

\(\frac{2}{5}x\frac{3}{4}x\frac{5}{6}:\frac{3}{4}=\frac{3}{10}x\frac{5}{6}:\frac{3}{4}=\frac{1}{4}:\frac{3}{4}=\frac{1}{3}\)

Ai k mk mk k lại ! x = nhân nhé!