itu nomor 11 sama 12 ya pke cara oke

11)
2 3/5 ÷ 0,5 × 10/13
= 13/5 ÷ 5/10 × 10/13
= 13/5 × 10/5 × 10/13
= 4 (jawaban C)

12)
1 liter + 1 1/4 liter - 1/2 liter
= 1 + 5/4 - 1/2
= 4/4 + 5/4 - 2/4
= 7/4
= 1 3/4 liter (jawaban A)

Jadikan jawaban terbaik
1. 4 c
2 a