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kamilla201510 @kamilla201510

October 2021 2 11 Report

Помогите прошу с дробями
1) 7 + 8/19
2)8/68 + 9
3)3 15/16 + 4 7/16
4) 12 8/13 - 8 4/13
5) 5 17/21 - 3 8/21 + 4 7/21
6) 14 8/10 + 5 1/10 - 6 7/10

igdida 1) 7 8/19=7 1/2
2) 9 8/68=9 2/17
3) 7 22/16= 8 6/16= 8 3/8
4) 4 4/13
5) 6 16/21
6) 13 2/10= 13 1/5

2 votes Thanks 2

ЖеняКожевников 1) $7+ \frac{8}{19} = \frac{133-8}{19} =6 \frac{11}{19}$
2) $\frac{8}{68} +9= \frac{8+612}{68} =9 \frac{2}{17}$
3) $3 \frac{15}{16} +4 \frac{7}{16} = \frac{63+71}{16}=8 \frac{9}{16}$
4) $12 \frac{8}{13} -8 \frac{4}{13} =5 \frac{5}{13}$
5) $5 \frac{17}{21} -6 \frac{8}{12}+4 \frac{7}{21} =1 \frac{8}{21}$
6) $14 \frac{8}{10} +5 \frac{1}{10}-6 \frac{7}{10} = \frac{148+51-67}{10} = \frac{132}{10}=13 \frac{1}{5}$

1 votes Thanks 1

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