Mathematics
Senior High

この問題を解く時グラフを描く以外に方法やコツはありますか?

お 本239 次の方程式の異なる実数解の個数を求めよ。 (1)x-12x+16=0 の (2 x-3x+3x+2=0 3 2x°-6x-1=0 (4) x-6x°+9x-3=0

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