a + b = 76 a - b = 38 a : b = ?
Matematika
Nuzud
Pertanyaan
a + b = 76
a - b = 38
a : b = ?
a - b = 38
a : b = ?
1 Jawaban
-
1. Jawaban fajriatiamalia
a+b= 76
a-b= 38
a= 38+b
38+b +b =76
2b= 38
b= 19
a= 38+19
= 57
a:b = 57:19 = 3