Câu 8. Tính: a) b) c) d) Lời giải: a) = b) = = c) = d) = - Bài 8 trang 10 sgk toán 7 tập 1

Bài 8 trang 10 sgk toán 7 tập 1

Câu 8. Tính:

a) This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

b) This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

c) This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

d) This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

Lời giải:

a) =