Question

50*2-20*5+100

Answer 1

50*2-20*5+100

=0-0+100

=100

k nha

Answer 2

100

k nha

Answer 3

=100 - 100+100=100

Answer 4

 50 * 2 - 20 * 5 +100=  100 - 100 + 100= 100

OK

Answer 5

Ta có : 

50 x 2 - 20 x 5 + 100 

= 100 - 100 + 100 

= 100

Answer 6

100 do ban !

Answer 7

50*2-20*5+100

=100-100+100

=0+100

=100