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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: Tìm x D)125+x=-83 E)134+(x-37)=152 F)63-(58-x)=142

Toán Lớp 6: Tìm x
D)125+x=-83
E)134+(x-37)=152
F)63-(58-x)=142

Comments ( 2 )

  1. Giải đáp:
    d, 125 + x = -83
    -> x= (-83) – 125
    -> x = -208
    Vậy x = -208
    ————-
    e, 134 + (x- 37) = 152
    -> x – 37 = 152 – 134
    -> x – 37 = 18
    -> x = 18 + 37
    -> x = 55
    Vậy x = 55
    —————
    f, 63 – (58 – x) = 142
    -> 58 – x = 63 – 142
    -> 58 – x = -79
    -> x = 58 – (-79)
    -> x = 137
    Vậy x = 137
    #dariana 

  2. 125+x=-83
    x=-83-125
    x=-208
    E)134+(x-37)=152
    x-37=152-134
    x-37=18
    x=18+37
    x= 55
    F)63-(58-x)=142
    58-x=63-142
    58-x=-79
    x=58+79
    x=137

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222-9+11+12:2*14+14 = ? ( )

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