812 Вычислите:
а)14/27+2/27 б) 11/35 + 12/35 в) 17/60+12/60 г) 32/55 + 23/55 д) 5/33+6/33 е) 12/48+12/48
а)14/27+2/27=16/27.
б)11/35+12/35=23/35.
в)17/60+12/60=29/60.
г)32/55+23/55=55/55=1.
д)5/33+6/33=11/33=1/3.
е)12/48+12/48=24/48=1/2.
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Verified answer
а)14/27+2/27=16/27.
б)11/35+12/35=23/35.
в)17/60+12/60=29/60.
г)32/55+23/55=55/55=1.
д)5/33+6/33=11/33=1/3.
е)12/48+12/48=24/48=1/2.
Verified answer
а)![\frac{14}{27}+\frac{2}{27}=\frac{14+2}{27}=\frac{16}{27} \frac{14}{27}+\frac{2}{27}=\frac{14+2}{27}=\frac{16}{27}](https://tex.z-dn.net/?f=%5Cfrac%7B14%7D%7B27%7D%2B%5Cfrac%7B2%7D%7B27%7D%3D%5Cfrac%7B14%2B2%7D%7B27%7D%3D%5Cfrac%7B16%7D%7B27%7D)
б)![\frac{11}{35}+\frac{12}{35}=\frac{11+12}{35}=\frac{23}{35} \frac{11}{35}+\frac{12}{35}=\frac{11+12}{35}=\frac{23}{35}](https://tex.z-dn.net/?f=%5Cfrac%7B11%7D%7B35%7D%2B%5Cfrac%7B12%7D%7B35%7D%3D%5Cfrac%7B11%2B12%7D%7B35%7D%3D%5Cfrac%7B23%7D%7B35%7D)
в)![\frac{17}{60}+\frac{12}{60}=\frac{17+12}{60}=\frac{29}{60} \frac{17}{60}+\frac{12}{60}=\frac{17+12}{60}=\frac{29}{60}](https://tex.z-dn.net/?f=%5Cfrac%7B17%7D%7B60%7D%2B%5Cfrac%7B12%7D%7B60%7D%3D%5Cfrac%7B17%2B12%7D%7B60%7D%3D%5Cfrac%7B29%7D%7B60%7D)
г)![\frac{32}{55}+\frac{23}{55}=\frac{32+23}{55}=\frac{55}{55}=1 \frac{32}{55}+\frac{23}{55}=\frac{32+23}{55}=\frac{55}{55}=1](https://tex.z-dn.net/?f=%5Cfrac%7B32%7D%7B55%7D%2B%5Cfrac%7B23%7D%7B55%7D%3D%5Cfrac%7B32%2B23%7D%7B55%7D%3D%5Cfrac%7B55%7D%7B55%7D%3D1)
д)![\frac{5}{33}+\frac{6}{33}=\frac{5+6}{33}=\frac{11}{33}=\frac{1}{3} \frac{5}{33}+\frac{6}{33}=\frac{5+6}{33}=\frac{11}{33}=\frac{1}{3}](https://tex.z-dn.net/?f=%5Cfrac%7B5%7D%7B33%7D%2B%5Cfrac%7B6%7D%7B33%7D%3D%5Cfrac%7B5%2B6%7D%7B33%7D%3D%5Cfrac%7B11%7D%7B33%7D%3D%5Cfrac%7B1%7D%7B3%7D)
е)![\frac{12}{48}+\frac{12}{48}=\frac{12+12}{48}=\frac{24}{48}=\frac{1}{2} \frac{12}{48}+\frac{12}{48}=\frac{12+12}{48}=\frac{24}{48}=\frac{1}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B12%7D%7B48%7D%2B%5Cfrac%7B12%7D%7B48%7D%3D%5Cfrac%7B12%2B12%7D%7B48%7D%3D%5Cfrac%7B24%7D%7B48%7D%3D%5Cfrac%7B1%7D%7B2%7D)