выполните сложение:2/51+1/9+3/17: 2/21+4/15+6/35: 5/8+1/6+7\12: 3/11+9\22+4/55: 1/24+11/30+5/12,. Created by ninokkz. matematika-ru

12,...

Олег200203 2/51+ 1/9+3/17= 6/153+ 17/153+ 27/153= 50/153;
2/21+ 4/15+6/35= 10/105+ 28/105+ 18/105=56/105;
5/8+ 1/6+7/12= 15/24+4/24+14/24=33/24= 1 9/24= 1 3/8;
3/11+9/22+4/55=30/110+ 45/110+8/110=83/110;
1/24+11/30+5/12=5/120+ 44/120+ 50/120= 99/120=33/40.

5 votes Thanks 6

ivawka2006 $\frac{2}{51}+ \frac{1}{9} + \frac{3}{17}= \frac{6+17+27}{153} = \frac{50}{153}$

$\frac{2}{21}+ \frac{4}{15}+ \frac{6}{35}= \frac{10+28+18}{105} = \frac{56}{105}$

$\frac{5}{8}+ \frac{1}{6}+ \frac{7}{12}= \frac{15+4+14}{24} = \frac{33}{24}$ = $1 \frac{9}{24}$

$\frac{3}{11}+ \frac{9}{22}+ \frac{4}{55}= \frac{30+45+8}{110} = \frac{83}{110}$

$\frac{1}{24}+ \frac{11}{30}+ \frac{5}{12}= \frac{5+44+50}{120} = \frac{99}{120}$ = $\frac{33}{40}$

7 votes Thanks 12

Maxichay Как ты решала напиши пжлст,

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