Matematika Sekolah Dasar bantuu jwb dong yg di buletin ​

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