若代数式2x²+3y-7的值为8,则代数式4x²+6y+10的值为多少?
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![若代数式2x²+3y-7的值为8,则代数式4x²+6y+10的值为多少?](/uploads/image/z/173602-10-2.jpg?t=%E8%8B%A5%E4%BB%A3%E6%95%B0%E5%BC%8F2x%26%23178%3B%2B3y-7%E7%9A%84%E5%80%BC%E4%B8%BA8%2C%E5%88%99%E4%BB%A3%E6%95%B0%E5%BC%8F4x%26%23178%3B%2B6y%2B10%E7%9A%84%E5%80%BC%E4%B8%BA%E5%A4%9A%E5%B0%91%3F)
若代数式2x²+3y-7的值为8,则代数式4x²+6y+10的值为多少?
若代数式2x²+3y-7的值为8,则代数式4x²+6y+10的值为多少?
若代数式2x²+3y-7的值为8,则代数式4x²+6y+10的值为多少?
2x²+3y-7的值为8,则2x²+3y=15
4x²+6y+10
=2(2x²+3y)+10
=2×15+10
=40