Сократите.а)2*3/4*5;2*3/7*2,5*4/4*9,7*5/2*7; б)4*5/3*6,15*3/11*10,14*9/15*7,2*3/9*8

Question

Сократите.а)2*3/4*5;2*3/7*2,5*4/4*9,7*5/2*7; б)4*5/3*6,15*3/11*10,14*9/15*7,2*3/9*8

Answer 1

А)2*3 /4*5=3/10=0,3
2*3/7*2=3/7
5*4/4*9=5/9
7*5/2*7=5/2=2,5
 
б)4*5/3*6=10/9
15*3/11*10=9/22
14*9/15*7=6/5
2*3/9*8=1/12