若a²+b²-2a-ab+2ab+1+丨ab+5丨(绝对值)=0 求(1)a²+b² (2)a²-b²若a²+b²-2a-ab+2ab+1+丨ab+5丨(绝对值)=0 求(1)a²+b² (2)a²-b² 急用急用!新手没什么财富
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若a²+b²-2a-ab+2ab+1+丨ab+5丨(绝对值)=0 求(1)a²+b² (2)a²-b²若a²+b²-2a-ab+2ab+1+丨ab+5丨(绝对值)=0 求(1)a²+b² (2)a²-b² 急用急用!新手没什么财富
若a²+b²-2a-ab+2ab+1+丨ab+5丨(绝对值)=0 求(1)a²+b² (2)a²-b²
若a²+b²-2a-ab+2ab+1+丨ab+5丨(绝对值)=0 求(1)a²+b² (2)a²-b² 急用急用!新手没什么财富值,请谅解.
若a²+b²-2a-ab+2ab+1+丨ab+5丨(绝对值)=0 求(1)a²+b² (2)a²-b²若a²+b²-2a-ab+2ab+1+丨ab+5丨(绝对值)=0 求(1)a²+b² (2)a²-b² 急用急用!新手没什么财富
若a²+b²-2a-ab+2ab+1+丨...