Question

(19+1)+(18+2)+(17+3)+(16+4)+(15+5)=??????

Answer 1

(19 + 1) + (18 + 2) + (17 + 3) + (16 + 4) + (15 + 5)

= 20 + 20 + 20 + 20 + 20

= 20 x 5 = 100

Answer 2

=20+20+20+20+20

=20x5

=100

Answer 3

20+20+20+20+20=20x5=100

k nhe

Answer 4

\(\left(19+1\right)+\left(18+2\right)+\left(17+3\right)+\left(16+4\right)+\left(15+5\right)\)

\(=20+20+20+20+20\)

\(=100\)

Answer 5

\(=20+20+20+20+20\)

\(=20.5=100\)

chuc bn hoc gioi!

nhae

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Answer 6

( 19 + 1 ) + ( 18 + 2 ) + ( 17 + 3) + ( 16 + 4 ) + ( 15 + 5) = 20 + 20 + 20 + 20 + 20

                                                                                 =20 x 5 

                                                                                 =100

Dễ  thôi mà, chúc bạn học tốt nha!!!