tolong jawab no 1 sampe 7 yg bener ok

No 3
V = p x l x t
13.800 = p x 24 x 23
p= 13.800 / 24 x 23
p = 13.800 / 552
p = 25 cm (C)

No 4
15/6 = 2,5 (B)

No 5
5/9= 0,56
15/27=0,56
jadi
5/9 = 15/27 (B)


No 6

2 1/5 + 3 ¼
11/5 + 13/4
44 + 65 /20
109/20
5 9/20 (A)

No 7
5 ½ - 2 ¾
11/2 - 11/4
22- 11 / 4
11/4
2 ¾

[3.] Volume Balok : Panjang x Lebar x Tinggi
13.800 cm3 : P x 24 x 23
13.800 cm3 : P x 552
Panjangnya : 13.800 ÷ 552
Panjangnya : 25 cm
jawaban C.
[4.] bentuk desimal dari 15/6
= 15 : 6
= 2,5
jawaban B.
[5.] jawaban B
[6.] 2 1/5 + 3 1/4
= 11/5 + 13/4
samakan penyebutnya
= 44/20 + 65/20
= 109/20
= 5 9/20
jawaban A
[7.] 5 1/2 - 2 3/4
= 11/2 - 11/4
= 22 - 11/4
= 11/4
= 2 3/4
jawaban B