Question

Упростите выражение:
а) 1/5+3/5a+4/5a=
б) 3/7m-1/7m+5/7m=
в )3 1/6y+2/3y=
г) 3 3/4b-1 7/8b=
д) x-1/5x=
е) 3/5a+a=

Answer 1

1)1/5+9/5a=0,2+1,8a
2)8/7m-1/7m=7/7m=1m
3)3 1/6y+4/6y=3 5/6y
4)3 6/8b-1 7/8b=2 14/8b- 1 7/8b=1 7/8b=1,875b
5)5/5x-1/5x=4/5x = 0,8x
6)1 3/5a=1,6a