выполните деление №854 а)1/4 : 3цел 1/2; б)3цел 1/2 : 2цел 1/3; в) 10цел 1/2 : 3цел 1/2; г)5цел 1/2 : 3цел 2/3; д)1цел 5/7 : 3цел 3/4; е)5цел 3/4 : 7цел 2/3
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3 1/2:2 1/3=7/2:7/3=7/2*3/7=3/2=1 1/2
10 1/2:3 1/2=21/2:7/2=21/2*2/7=3
5 1/2:3 2/3=11/2:11/3=11/2*3/11=3/2=1 1/2
1 5/7:3 3/4=12/7:15/4=12/7*4/15=16/35
5 3/4:7=23/4:7/1=23/4*1/7=23/28
б) 1 цел 1/2
в) 3
г) 1 цел 1/2
д) 16/35
е) 23/28