find the sum or difference of the following ( simplify all answers) a) 1/5 + 3/5= b) 5/8-1/8= c) 8/9 + 4/9 = d) 3/5+ 1

Question

find the sum or difference of the following ( simplify all answers)
a) 1/5 + 3/5=
b) 5/8-1/8=
c) 8/9 + 4/9 =
d) 3/5+ 1/10=
e) 2/3 +3/4=
f) 4/5- 1/3= ​

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Xavia 3 years 2021-08-11T18:04:25+00:00 1 Answers 6 views 0

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    2021-08-11T18:06:09+00:00

    A) 4/5
    B) 1/2
    C) 4/3
    D) 7/10
    E) 17/12
    F) 17/15

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )