a²b²-0.01 x²y-2xy²+y² 16-(2a+3b)² (a²+4)²-16a²
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![a²b²-0.01 x²y-2xy²+y² 16-(2a+3b)² (a²+4)²-16a²](/uploads/image/z/14952790-46-0.jpg?t=a%26%23178%3Bb%26%23178%3B-0.01+x%26%23178%3By-2xy%26%23178%3B%2By%26%23178%3B+16-%EF%BC%882a%2B3b%EF%BC%89%26%23178%3B+%EF%BC%88a%26%23178%3B%2B4%EF%BC%89%26%23178%3B-16a%26%23178%3B)
a²b²-0.01 x²y-2xy²+y² 16-(2a+3b)² (a²+4)²-16a²
a²b²-0.01 x²y-2xy²+y² 16-(2a+3b)² (a²+4)²-16a²
a²b²-0.01 x²y-2xy²+y² 16-(2a+3b)² (a²+4)²-16a²
a²b²-0.01
=(ab)²-0.1²
=(ab+0.1)(ab-0.1)
x²y-2xy²+y³
=y(x²-2xy+y²)
=y(x-y)²
16-(2a+3b)²
=4²-(2a+3b)²
=(4+2a+3b)(4-2a-3b)
(a²+4)²-16a²
=(a²+4)²-(4a)²
=(a²+4+4a)(a²+4-4a)
=(a+2)²(a-2)²
愿对你有所帮助!
a²b²-0.01=(ab+0.1)(ab-0.1)
x²y-2xy²+y² =y(x²-2xy+y)
16-(2a+3b)² =[4+(2a+3b)][4-(2a+3b)]=(4+2a+3b)(4-2a-3b)
(a²+4)²-16a²=(a²+4+4a)(a²+4-4a)=(a+2)²(a-2)²