please di jawab ya oke!!!!!!!

3.a
4.d
5.c
6.d
7.d
8.c
itu jawabannya

3) B  ===> 2,45 = 245/100 ; 250% = 250/100 ; 13/5 = 260/100 ; 6/20 = 30/100

4) 1⅜ + ⅚ = 11/8 + 5/6 = 33/24 + 20/24 = 53/24 = 2 5/24    ( A )

5) 2 1/5 + 0,75 = 11/5 + 75/100 = 220/100 + 75/100 = 295/100 = 295%    ( C )

6) 2 1/4 - 1 1/9 = 9/4 - 10/9 = 81/36 - 40/36 = 41/36 = 1 5/36     ( C )

7) 425% - 2 1/5 = 4,25 - 2,2 = 2,05     ( B )

8) 2 1/4+3 1/2+5 1/3=9/4+7/2+16/3=27/12+42/12+64/12=133/12=11 1/12 (C)

semoga membantu ya