Question

1x10+9x10

Answer 1

1 x 10 + 9 x 10

= ( 1 + 9 ) x 10

= 10 x 10 = 100

Answer 2

1 x 10 + 9 x 10

= 10 + 90

= 100

Answer 3

1 x 10 + 9 x 10

= ( 9 + 1 ) x 10

= 10 x 10

= \(^{10^2}\)

= \(100\)

Answer 4

100

k mk nh =a bn

thank

Answer 5

1x10+9x10

= 10 x (  9 + 1 )= 10 x 10= 100

Answer 6

1x10+9x10

=10+90

=100

Answer 7

=10x(9+1)

=100

Answer 8

1 x 10 + 9 x 10

= 10 + 90

=  100

k nha ^_-

( đừng trừ điểm )

Answer 9

...=100 nha bn

Answer 10

1 x 10 + 9 x 10

= 10 + 9 x 10

= 10 + 90

= 100

Ủng hộ tíck mik nha !!!

Answer 11

1x10+9x10

=(1+9)x10

=10x10

=100