a)45-(+15)+25-(-5)=? b)-30-(-14)-(-4)=?​

Question

a)45-(+15)+25-(-5)=?
b)-30-(-14)-(-4)=?​

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Thanh Thu 4 years 2021-08-09T06:54:24+00:00 2 Answers 4 views 0

Answers ( )

  1. MichaelMet
    0
    2021-08-09T06:55:50+00:00
    Reply

    Answer:

    A) 45-(+15)+25-(-5) = 35

    B) -30-(-14)-(-4)= -12

  2. mit
    0
    2021-08-09T06:56:08+00:00
    Reply

    a) 45-(+15)+25-(-5)
    b) -30-(-14)-(-4)

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