3 mủ x=81
2 mủ x+3=32
95-4 mủ x=31
5 mủ x +1=126
5 mủ x × 5 mủ 14+5 mủ bảy mươi tám
3 mủ x=81 2 mủ x+3=32 95-4 mủ x=31 5 mủ x +1=126 5 mủ x × 5 mủ 14+5 mủ bảy mươi tám
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Kiệt Gia
a)3^x=81⇒x=4
b)2^x+3=32⇒x+3=5⇔x=2
c)95-4^x=314^x=64x=3
d)5^x +1=1265^x=125⇔x=3
câu e thiếu đề nha bn
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