hitunglah 1.a.4:×=×:9= b.6:×=126:21=
Matematika
irfan1000
Pertanyaan
hitunglah 1.a.4:×=×:9= b.6:×=126:21=
1 Jawaban
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1. Jawaban Ashiela
a)
4 : x = x : 9
4 × 9 = x × x
36 = x²
x = √36 = ±6
b)
6 : x = 126 : 21
6 × 21 = 126 × x
126 = 126x
x = 126÷126 = 1