Contact us
Choose a category below so we can get back to you as quickly as possible.
1.21×104可以看成121×4×0.26(把1.21擴大100倍,104縮小100,即為1.04 1.04又等於4×0.26)所以1.21×104開平方根等於11×2×0.51(因為0.26和0.25相差不多,即可估一個值)所以答案為11.2左右.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.