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Solving problems with real numbers in eighth grade mathematics
Note: "√" is the root symbol.

Fill in the blanks

The arithmetic square root of 1 and 16 is _ 4 _ _ _, and the cube root of 27/8 is _ _ 3/2 _ _.

2.-? What is the reciprocal of √7? √7___,|√2-3|=3-_√2___

3. What if | x- 1 |+(y-2)? +√z-3=0, then x+yz=___7_

Second, find the value in the following format.

( 1)√64=8

(2) plus or minus six and a quarter = plus or minus 5/2.

(3)-√9+ 16 = 13

Third, calculation

( 1)√ 144-√ 169+? √8 =27

(2)|√3-2|+√3=2

Fourth, find the value of x.

( 1)x? -24=25 x= plus or minus 7.

(2)8x? = 125

x=5/2