Toán Lớp 6: Tìm x:
d. 3-( 17- x)= 289- ( 36 + 289)
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Toán Lớp 6: Tìm x:
d. 3-( 17- x)= 289- ( 36 + 289)
Comments ( 2 )
3 – (17 – x) = 289 – 36 – 289
3 – (17 – x) = 289 – 289 – 36
3 – (17 – x) = 0 – 36
3 – (17 – x) = -36
17 – x = 3 – (-36)
17 – x = 39
x = 17 – 39
x = -22