bantuu jwb dong yg di buletin
2. d. 2/3 + 3 5/9
= 2/3 + 32/9
= 6/9 + 32/9
= 38/9
= 4 2/9
3. a. 2/15 - 1/2 + 3/10
= 4/30 - 15/30 + 9/30
= -11/30 + 9/30
= -2/30
maaf kalau salah
2. d. 2/3 + 3 5/9
= 2/3 + 32/9
= 6/9 + 32/9
= 38/9
= 4 2/9
3. a. 2/15 - 1/2 + 3/10
= 4/30 - 15/30 + 9/30
= -11/30 + 9/30
= -2/30
maaf kalau salah