问题
填空题
已知2x+5y+3=0,则4x-32y的值为______.
答案
∵2x+5y+3=0,即2x+5y=-3,
∴4x•32y=则22x•25y=22x+5y=2-3=
.1 8
故答案为:1 8
已知2x+5y+3=0,则4x-32y的值为______.
∵2x+5y+3=0,即2x+5y=-3,
∴4x•32y=则22x•25y=22x+5y=2-3=
.1 8
故答案为:1 8