计算:(1⼀2)^-2-|2根号2-3|+3⼀根号8

2024-12-17 05:04:16
推荐回答(2个)
回答1:

(1/2)^-2-|2根号2-3|+3/根号8
=4-(3-2根号2)+3根号2/4
=1-11根号2/4

回答2:

原式=4-(3-2√2)+3√2/4
=4-3+2√2+3√2/4=1+11√2/4