Square root calculation problem of the first day of junior high school - Training Enrollment Network

Square root calculation problem of the first day of junior high school

4.5+0.2-6=- 1.3

10+4.5+8=22.5

7*5=35

0.5x+ 1=+ or -6? X= 10 or-14.

-(x- 1)=+ or -25/ 16* radical number 2? X = 4116 * radical number 2 or x=-9/ 16* radical number 2.

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