Kak bantu bikin soal matematika a,b,c Dari no 1-40
Jawaban:
1. 3/8 + 2 1/4 = 3/8 + 9/4
= 3/8 + 18/8
= 21/8 = 2 1/4
2. 2 1/6 – 5/9 = 13/6 – 5/9
= 39/18 – 10/18
= 29/18
= 1 11/18
4. 2,8 × 3/7 = 24/5 × 3/7
= 14/5 × 9/7
= 42/35 = 6/5
= 1 1/5
5. 4/15 : 5,4 = 4/15 : 54/10
= 4/15 × 10/ 54
= 40/810
= 4/81
Maaf ya kalo ni 3 nya tidak diketik karna saya kelupaan nulisnya