2m²n/3pq²×5p²q/4mn²÷5mnp/3q
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2m²n/3pq²×5p²q/4mn²÷5mnp/3q
2m²n/3pq²×5p²q/4mn²÷5mnp/3q
2m²n/3pq²×5p²q/4mn²÷5mnp/3q
(2m 2;n/3pq 2; )(5p 2;q/4mn )/ (5mnp/3q) =(m/3q)(5p/2)/ (5mnp/3q) =(5pm/6q)/ (5mnp/3q) (颠倒相乘) =(5pm/6q) (3q/
sorry
1/2n²
2m²n/3pq²×5p²q/4mn²÷5mnp/3q
(3m+2n)²-(m-n)²
分解因式(5m²+3n²)²-(3m²+5n²)²
1.y²-5xy-6x² 2.m²-3mn+2n²
已知m²+n²=5,则代数式(2m²+3n²-mn)-(3m²+4n²-mn)的值是多少
已知(m-1)²+|6m+3n|=0,求(4m²-mn-6n²)-2(m²-3mn-5n²)的
已知m²-mn=15,mn-n²=-6,求代数式3m²-mn-2n²
2m² +4mn² +2n² ,因式分解,
已知m(m-3)-(m²-3n)=9,则(m²+n²)/2-mn=?
合并下列各式的同类项①3m²n+5mn²+6nm²-4n²m-mn²②3(a+b)²-(a-b)+2(a+b)²+4(a-b)-(a+b)²
分解因式m²-n²+2m-2n
m²-n²+2m-2n分解因式
分解因式 (m-2n)²+(n+2m)²
-2(m-n)²+32
a²-ab+ac-bc2ax-10ay+5by-bx3ax+4by+4ay+3bxm²+5m-mn-5nx²-y²+ax+aya²-2ab+b²-c²x³+x²y-xy²-y³4a²-b²+6a-3b9m²-6m+2n-n²x²-y²-z²+2yzx³-x²y-xy²+y³
先去括号 在合并同类项 回答上来追加(1)(2a²-1+3a)-4(a+z-a²)(2)3(4a²-3b²)+2(a²+2b²)-7(a²-2b²)补充:²是平方还有一道化简题2(m²n+mn)-3(m²n-mn)-4m²n
1.8a-4a²-4.2.m²-12m+36.3.(m+m)²-6(m+n)+9.4.3ax²+6axy+3ay².5.-x&su完全平方公式1。8a-4a²-4。m²-12m+36。(m+m)²-6(m+n)+9。3ax²+6axy+3ay²。-x²-4y²+4xy。2分之一x²+2xy+2y²
(1) (m—n)²—n² (2)49(a-b)²—16(a+b)²(3) (2x+y)²—(x+2y)² (4) (x²+y²)²—x²y²(5)3ax²—3ay²