Bài tập toán cơ bản số 20

Created by T Madas Question 54 Rearrange the following formulae for the variable written inside the square bracket a) y2 x2 − = y2 +1 x2 b) T = 2π L g [ y] [ L] c) V = π r L2 − r d) A = e) (****+) (****+) [ L] (****+) h b ( a + b ) + ( a + h ) [a] 2 1 − = [u ] v u f (****+) (****+) f) u = v − 2u [u ] (*****) g) x + y = xy + z [ x] (*****) h) x + x = y [ x] (*****) Created by T Madas Created by T Madas OPERATIONS WITH FRACTIONS Created by T Madas