Question

Soal pecahan aljabar kls8
Bantu yg nomer 4-8

Answer 1

4. 1/a + 1/b - c
di kali a
= 1 + a/b - ac
dikali b
= b + a - abc

5. a/2 + a-4/3
dikali 2
= a + 2a-8/3
dikali 3
= 3a+2a-8
= 5a - 8

6. a+1/3 - a-2/4
dikali 3
= a+1 - 3a-6/4
dikali 4
= 4a+4-3a-6
= a-2

7. 3x-2/6 - x+4/3
dikali 6
= 3x-2 - 6x+24/3
dikali 3
= 9x-6 - 6x+24
= 3x + 18

8. 2x-3/3 + 4-3x/5
dikali 3
= 2x+3 + 12-9x/5
dikali 5
= 10x+15 + 12-9x
= 27 + x

Yoroshiku^