4(2p+3q)²-(3p-q)² 怎么算
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4(2p+3q)²-(3p-q)² 怎么算
![4(2p+3q)²-(3p-q)² 怎么算](/uploads/image/z/3664895-23-5.jpg?t=4%282p%2B3q%29%26sup2%3B-%283p-q%29%26sup2%3B+%E6%80%8E%E4%B9%88%E7%AE%97)
4×(2P+3q)²一(3p一q)²
=[2(2P+3q)] ²一(3p一q)²
=(4p+6q) ²一(3p一q)²
=(4P+6q一3p+q)( 4P+6q+3p一q)
=(p+7q)(7p+5q)
=[2(2P+3q)] ²一(3p一q)²
=(4p+6q) ²一(3p一q)²
=(4P+6q一3p+q)( 4P+6q+3p一q)
=(p+7q)(7p+5q)
4(2p+3q)²-(3p-q)² 怎么算
2m²n/3pq²×5p²q/4mn²÷5mnp/3q
a{[(p+q)/2]%}²
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