thanhngaoda86 thanhngaoda86

25-09-2021
Mathematics

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√9 +4√5 =a +√b tính a×b

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Chidiebere Chidiebere

25-09-2021

Answer:

240

Step-by-step explanation:

√9 +√4^2 × 5=

√9 + √16×5=

3 + √80 comparing with a +√b

a= 3

b= 80

therefore a×b= 3×80= 240

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