计算:根号(tan²60°-4tan60°+4 )+ ( 2倍根号2cos45°)/(tan60°- tan4
根号下(1-2tan60°+tan^260°)-tan60°计算过程
cos60°+tan60° 2/根号2sin45°+sin60°-2cos45°
根号【cos45°-cos30°】*2-tan60°分之tan45°+sin45°
计算:(1)根号2sin45°+cos²60°-根号3tan60°+sin30°·tan45°
(根号5-1)0次方+/1-根号3/+3tan60°-2²-根号48
【sin30°/(sin60°-cos45°)】—(根号下(1—tan60°)²)—tan45°
计算 :2+|1-根号2|-tan60°+根号3减根号2分之1-根号18
计算 1-1/2倍的根号8-(5-π)零次方+4cos45°
-2平方+(tan60°-1)×根号3+(-π)零次方-|2-根号3|
丨2-tan60°丨-(π-3.14)零次方+(-1/2)负二次方+1/2倍根号12
计算丨-2丨+(根号2+1)0次方+(-1/3)-1次方+tan60° 根号8+根号3tan30°-丨1-根号2丨-(2
-2^2+根号下12*tan60°-2^(-1)+|1-2cos30°|化简