138.
maka
139.
Jawab:
138. Hasilnya 5√5
139. Hasilnya 12√2
Penjelasan dengan langkah-langkah:
138. Disederhanakan :
√20 = √4x5 = √4 x √5 = 2√5
√45 = √9x5 = √9 x √5 = 3√5
139. Caranya sama kayak sebelumnya
√50 = √25x2 = √25 x √2 = 5√2
√32 = √16x2 = √16 x √2 = 4√2
√18 = √9x2 = √9 x √2 = 3√2
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138.
maka
139.
maka
Jawab:
138. Hasilnya 5√5
139. Hasilnya 12√2
Penjelasan dengan langkah-langkah:
138. Disederhanakan :
√20 = √4x5 = √4 x √5 = 2√5
√45 = √9x5 = √9 x √5 = 3√5
139. Caranya sama kayak sebelumnya
√50 = √25x2 = √25 x √2 = 5√2
√32 = √16x2 = √16 x √2 = 4√2
√18 = √9x2 = √9 x √2 = 3√2