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√9 +4√5 =a +√b tính a×b
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√9 +4√5 =a +√b tính a×b

User Dragos Rusu
by
6.4k points

1 Answer

5 votes

Answer:

240

Explanation:

√9 +√4^2 × 5=

√9 + √16×5=

3 + √80 comparing with a +√b

a= 3

b= 80

therefore a×b= 3×80= 240

User Joshua Davies
by
7.1k points
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