а) 5/6 * 7/9 ;
б)11/28 * 7/33 ;
в) 1 8/25 * 1 4/11 ;
г) 3 5/7 * 1 1/13 ;
д) 2 2/3 * 6 .
б)11/28 * 7/33 ;
в) 1 8/25 * 1 4/11 ;
г) 3 5/7 * 1 1/13 ;
д) 2 2/3 * 6 .
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Answers & Comments
11/28*7/33=77/(28*33)=7/(3*28)=1/12
1 8/25*1 4/11=(33*15)/(25*11)=(3*3)/5=9/5=1 4/5=1,8
3 5/7*1 1/13=26/7*14/13=(26*14)/(7*13)=2*2=4
2 2/3 * 6=8/3 * 6=(8*6)*3=8*2=16