来自李育刚的问题
若a-bb=12,则3a2-5ab+2b22a2+3ab-5b2的值是___.
若a-bb=12,则3a2-5ab+2b22a2+3ab-5b2的值是___.
1回答
2020-01-31 23:27
若a-bb=12,则3a2-5ab+2b22a2+3ab-5b2的值是___.
若a-bb=12,则3a2-5ab+2b22a2+3ab-5b2的值是___.
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