Tolong ya kakak dijawab....
Matematika
Zhrshadrina
Pertanyaan
Tolong ya kakak dijawab....
1 Jawaban
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1. Jawaban maticka
a. (42n+35m+7)-(-50m-20n+9)
42n+35m+7+50m+20n-9
62n+85m-2
b. (5x+3)-(-x-1)
5x+3+x+1
6x+4
semoga membantu!