化简2√2-√2(√2+2) (-√(-2)눀)대÷2的结果是?

化简2√2-√2(√2+2)(-√(-2)눀)대÷2的结果是?
2024-12-30 17:21:13
推荐回答(2个)
回答1:

2√2-√2(√2+2) (-√(-2)²)³÷2
=2√2-(2+√2) (-√4)³÷2
=2√2+(2+√2) (2)³÷2
=2√2+(2+√2) (2)²
=2√2+(2+√2) (4)
=2√2+8+4√2
=8+6√2

回答2:

2√2-√2(√2+2)
=2√2-2√2-2
=-2

(-√(-2)²)³÷2
=(-2)³÷2
=-8÷2
=-4