Mathematics
Senior High
(3)の問題を教えてほしいです！！お願いします🙇🏻♀️
10 次の式を, かっこをはずして簡単にせよ。
5a-(3a-(2a-3)}
*(2) 3a
(3) 5.x²-[4x2+2{3x-(2x'+x-5)}+3]
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