Matematika

Pertanyaan

tolong jawab y no 1 yg a,b,c,d
trus yg no 2 yg a,d,e,g jwb y dgn cranya
tolong jawab y no 1 yg a,b,c,d trus yg no 2 yg a,d,e,g jwb y dgn cranya

1 Jawaban

  • 1.
    a. (g+3) : 4 = -7
    =>g = -7 x 4 - 3
    = -28 - 3
    = -31

    b. 541 - 39 : (-13) + 2 =
    =>541 - (-3) + 2 = 544 + 2 = 546

    c. -30 + 145 : 29 x 7 =
    => -30 + 5 x 7 = -30 + 35 = 5

    d. 4545 x (-3) - 7135 =
    => -13635 - 7135 = -20770

    2.
    a. m^3 - 7m^2 =
    => -8^3 - 7 x (-8)^2 = -512 - 7 x 64 = -519 x 64 = -33216

    d. (3^6)^4 x 3^x = 3^34
    => 3^34 : 3^(6-2) = 3^34 : 3^2 = 3^17

    e.

    g. √27 x √3 = √81 = 9