56+(−56)= −240+370= −5.7+(−4.2)=

Question

56+(−56)=

−240+370=

−5.7+(−4.2)=

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Thiên Di 4 years 2021-09-01T21:34:50+00:00 2 Answers 9 views 0

Answers ( )

  1. Cherry
    0
    2021-09-01T21:35:55+00:00
    Reply

    84858674636328848585

  2. thachthao
    0
    2021-09-01T21:36:30+00:00
    Reply

    Answer:

    Step-by-step explanation:

    1st one is 0

    2nd is 130

    3rd is 9.9

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