xắp xếp a. Blaise Pascal was invented the adding machine in 1642. b. The zipper was invented by W. L. Judson in 1893. c. Who discovered the DNA? d.
xắp xếp a. Blaise Pascal was invented the adding machine in 1642. b. The zipper was invented by W. L. Judson in 1893. c. Who discovered the DNA? d. When was tuberculosis (TB) discovered? e. Bread is made from flour and yeast. f. The sewing machine was invented by a French named B. Thimonnier in … Đọc tiếp