100 dibagi A memberi sisa 4, sedangkan 90 jika dibagi A memberi sisa 10, tentukan nilai dari A?

100 ÷ A = 4
90 ÷ A = 10

100-4 = 96
90-10 = 80

cari FPB nya dulu. (haduh keliru tadi wkwkwkkw)

96 = 2^5 × 3
80 = 2^4 × 5

2^4 = 16 ---- A= 16

1. 100 ÷ A = 4
A =25
2. 90 ÷ A =10
A = 9