Question

根号32减3乘以根号二分之一加根号2(要详细过程)

Answer 1

原式=4倍根2-3倍根2/2+根2，＝4倍根2－三分之二倍根二＋根二＝三分之十三倍根二

Answer 2

根号32减3乘以根号二分之一加根号2
﹙√32﹚-3×﹙√1/2﹚+√2
=4﹙√2﹚-3×﹙√2﹚÷2+√2
=6√2-3×﹙√2﹚÷2
=[﹙12√2﹚-3×﹙√2﹚]÷2
=9√2／2

Answer 3

√32-3√1/2+√2
=4√2-3/2√2+√2
=7/2√2

追问

5的根号2减3乘以二分之根号二是怎样等于二分之七根号二？

追答

√32-3√1/2+√2
=4√2-3/2√2+√2
=(4-3/2+1)√2
=7/2√2