√90÷√5−√32 A. -√2 B.√2 C.5√2 D.7√2
Matematika
hiroku
Pertanyaan
√90÷√5−√32
A. -√2
B.√2
C.5√2
D.7√2
A. -√2
B.√2
C.5√2
D.7√2
2 Jawaban
-
1. Jawaban Diendra18
√90 ÷ √5 - √32
= √9×10 ÷ √5 - √16×2
= 3√10 ÷ √5 - 4√2
= 3√5×2 ÷ √5 -4√2
= 3√2 - 4√2
= -√2 -
2. Jawaban Umilove
√90 : √5 - √32
= √90:5 - √32
= √18 - √32
= 3√2 - 4√2
= - 1√2
= - √2 (A)
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