1) 3, 9, 27, 81, ... a) Arithmetic b) Geometric 2) 2, 4, 6, 8, ... a) Arithmetic b) Geometric 3) 7, 14, 21, 28, ... a) Arithmetic b) Geometric 4) 25, 22, 19, 16, 13, ... a) Arithmetic b) Geometric 5) 1, 4, 16, 64, ... a) Arithmetic b) Geometric 6) 2, 20, 200, 2000, 20000, ... a) Arithmetic b) Geometric 7) Which ones are correct? a) Exponential is Arithmetic b) Exponential is Geometric c) Linear is Arithmetic d) Linear is Geometric

排行榜

视觉风格

选项

切换模板

恢复自动保存: