这道英语IQ怎么写?if the difference of two number is 10 and their pr
4个回答
a-b=10
a*b=12
(a-b)∧2=100
a∧2-2ab+b∧2=100
所以a∧2+b∧2=100+2ab=100+2*12=124
a∧2+b∧2=124
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