3b 4z __ + __ 2a 5a Sekalian caranya Makasi butuh cepat ya!

[tex] \frac{3b}{2a} + \frac{4z}{5a} \\ = \frac{5 \times 3b + 2 \times 4z}{10a} \\ = \frac{15b + 8z}{10a} [/tex]
Maaf Kalau Salah

begini kah ????
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