ВероникаЧ1

Verified answer

А)8/11*8 1/4=8/11*33/4=264/44=6
б)1 8/13*3 5/7=21/13*26/7=546/91=6
в)0,2*1 2/3=1/5*5/3=5/15=1/3
г)0,8*1/5=4/5*1/5=4/25
д)(0,2+0,4)*2/3=0,6*2/3=3/5*2/3=6/15