50 Ways to Use YouTube in the Classroom

50 Ways to Use YouTube in the Classroom

Matematika Sekolah Dasar 2(3a -4) + 3(a + 2) = bsrta cra..​

2(3a -4) + 3(a + 2) = bsrta cra..​

9a - 2

Penyelesaian ;

2(3a -4) + 3(a + 2)

= 6a - 8 + 3a + 6

= 6a + 3a + 6 - 8

= 9a + (-2)

= 9a - 2

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