Ответы на вопрос:
1.(3/22+2/11)*2=3/22+4/22)*2=7/22*2/1=14/22=7/11
2. (3/5-5/3):16=(9/15-25/15):16=-16/15:16=-16/15*1/16=-1/15
3. (37/9-5/1)*5/8= (37/9-45/9)*5/8=-8/9*5/8=-5/9
4. 1/23*(5/6+4/9)=1/23*(45/54+24/54)=1/23*69/54=3/54=1/18
5. (8/25-22/75):2/5=(24/75-22/75):2/5=2/75:2/5=2/75*5/2=1/15
6)(1/11+1/3)*3/7=(3/33+11/33)*3/7=14/33*3/7=2/11
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