Question

Помогитее...Решите уравнение а)х+97/10=28 2/15.. б)11 3/4-у=5 15/34.. в)7 27/44+а=18 51/55..г)6 3/11+b=11 93/121..д)9 5/36-х=2 4/9..е)к-5 17/60=7 9/20

Answer 1

Пошаговое объяснение:

А х+97/10=28 2/15

x=28 2/15 - 97/10

$x=\frac{422}{15} -\frac{97}{10}\\x=\frac{844-291}{30} \\x=\frac{533}{30} \\x=18\frac{13}{30}$

Б 11 3/4-у=5 15/34

-y=5 15/34 - 11 3/4

$-y=5\frac{15}{34} -11\frac{3}{4} \\\\-y=\frac{185}{34} -\frac{47}{4}\\\\-y=\frac{370-799}{68} \\\\-y=-\frac{429}{68}\\\\y=\frac{429}{68}\\\\y=6\frac{21}{68}$

B 7 27/44+а=18 51/55

a=18 51/55- 7 27/44

$a=18\frac{51}{55} -7\frac{27}{44} \\\\a=11 \frac{ 69}{220}$

G 6 3/11+b=11 93/121

b=11 93/121 - 6 3/11

b=5 93-33/121

b= 5 60/121

D 9 5/36-х=2 4/9

-x=2 4/9 - 9 5/36

-x= 22/9 - 329/36

-x= 88-329/36

-x=-241/36

x=241/36

x=6 25/36

E к-5 17/60=7 9/20

k= 7 9/20 + 5 17/60

k= 12 27+17/60

k=12 44/60

k=12 11/15