December 2018 1 59 Report
Suatu persegi panjang memiliki panjang (2x+1)cm dan lebar 12cm.jika luasnya tidak lebih dari180 cm ,maka batas- batas nilai x adalah.....
a. 0 < x < 7
b. -1/2 < x ≤ 7
c. -1 < x <8
d. x > 8

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