1.原式=0.5-7/4+1/4=-1
2.原式=1/4*2+1/2*5=3
3.原式=根号3-根号2+2-根号3-根号2+1=3-2根号2
4.原式=根号6(1/根号6-6/根号6)=根号6*(-5/根号6)=-5
5.原式=-根号2
几道数学算式题,
(1)立方根下0.125-根号下3又/16+立方根下(1-7/8)的二次方
(2)(-1/2)的二次方*根号下(-2)的二次方+1/2*立方根下125
(3)根号3-根号2的绝对值+根号3-2的绝对值-根号2-1的绝对值
(4)根号6(1/根号6-根号6)
(5)根号2+3根号2-5根号2
1.原式=0.5-7/4+1/4=-1
2.原式=1/4*2+1/2*5=3
3.原式=根号3-根号2+2-根号3-根号2+1=3-2根号2
4.原式=根号6(1/根号6-6/根号6)=根号6*(-5/根号6)=-5
5.原式=-根号2