4,25+2 1/4-3 1/2 TLONG DIJAWAB KAKAK

4,25 + 2 1/4 - 3 1/2
=> 425/100 + 9/4 - 7/2
=> 425/100 + 225/100 - 350/100
=> 300/100
=> 3

semoga membantu

4,25 + 2 1/4 - 3 1/4
4,25 + 9/4 - 7/2
4,25 + 2,25 - 3,5
6,50 - 3,5
= 3