Question

(1/4 1/5)x=1 4/5 решите уравнение

Answer 1

(1/4+1/5)х=1 4/5
(5/20+4/20)х=1 4/5
9/20х=1 4/5
х=1 4/5÷9/20
х=9/5×20/9
х=4

(2 1/12-1 5/6)х=3/4
(2 1/12-1 10/12)х=3/4
(1 13/12-1 10/12)х=3/4
3/12х=3/4
1/4х=3/4
х=3/4÷1/4
х=3/4×4/1
х=3

Answer 2

ещё*

Answer 3

ок

Answer 4

добавила

Answer 5

добааил

Answer 6

всё