Question

10+30-10=

Answer 1

10 + 30 - 10 

= 40 - 10 

= 30 

nha bn ^_ ^

Answer 2

10 + 30 - 10 = 30

Answer 3

10+30-10

=40-10

=30

k mih nha

Answer 4

10+30-10=30

Answer 5

10+30-10

= (10-10)+30

= (0+30)

= 30

Answer 6

\(10+30-10=40-10=30\)

K mk nha

Answer 7

10 + 30 - 10 = 30