Toán Lớp 4: x: x × 125 + x × 876 – x = 12000
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Toán Lớp 4: x: x × 125 + x × 876 – x = 12000
Comments ( 2 )
x . 125 + x. 876 – x =12000
x( 125+876-1)=12000
x . 1000 = 12000
x = 12000 : 1000
x = 12
Answer
x xx 125 + x xx 876 – x = 12000
x xx 125 + x xx 876 – x xx 1 = 12000
x xx (125 + 876 – 1) = 12000
x xx (1001 – 1) = 12000
x xx 1000 = 12000
x = 12000 : 1000
x = 12
Vậy x = 12