Question

Tính giá trị biểu thức

1) 120 + 20 : 4 -\(2^2\).3

2) ( 120 + 20 ) : 4 - \(2^2\). 3

3) 120 + ( 20 : 4 - \(2^2\) ).3

help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

1) 120 + 20 : 4 - 2².3

=> 120 + 5 - 12

=> 125-12

=>113

2) ( 120 + 20 ) : 4 -

3) 120 + ( 20 : 4 - ).3

=> 120 + 1 . 3

=> 120 + 3

=> 123

Answer 2

1)120+20:4-2\(^2\) .3=120+5-4.3=120+5-12=113

2)(120+20):4-2\(^2\) .3=140:4-4.3=35-12=23

3)120+(20:4-2\(^2\) ).3=120+(5-4).3=120+1.3=120+3=123