3x²y -(-3x)²*2y +(x³y²)² ÷((1/4)x^4y²)
= 3x²y - 18x²y + 4x^6y^4÷x^4y²
= 3x²y - 18x²y + 4x²y²
= 4x²y² -15x²y
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梳理知识,帮助别人,愉悦自己.
“数理无限”团队欢迎你
3x²y -(-3x)²*2y +(x³y²)² ÷((1/4)x^4y²)
= 3x²y - 18x²y + 4x^6y^4÷x^4y²
= 3x²y - 18x²y + 4x²y²
= 4x²y² -15x²y
--------------------
梳理知识,帮助别人,愉悦自己.
“数理无限”团队欢迎你