Toán Lớp 6: 2×3 mũ x =162
10+2x=4 mũ 5 chia 4 mũ 3
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Toán Lớp 6: 2×3 mũ x =162
10+2x=4 mũ 5 chia 4 mũ 3
Comments ( 2 )
3^x=162:2
3^x=81
3^x=3^4
=>x=4
b)10+2x=4^5:4^3
10+2x=4^2
10+2x=16
2x=16-10
2x=6
x=6:2
x=3