计算下列各式的近似值:[tex=2.857x1.286]zs1nUILjI/GwuVOpRN0SrMwb7WMz7nqv7lcy2caONRY=[/tex];
举一反三
- 计算下列三角函数值的近似值:[tex=3.143x1.286]zs1nUILjI/GwuVOpRN0SrHV7b5RdzDtqoLjq1a/wQkI=[/tex]
- 计算下列各式的近似值:[tex=3.429x1.429]lrlII93CgFBhYLeaqVxHzTuVHnDsiahICm49wY9fnIg=[/tex];
- 计算下列各式的近似值:[tex=7.786x1.571]zmW/Yycr89O8MpOq+IZP0FE2N49Ibq9oXjCH4nI1J3uU3dCyLtOSpLBFCwTC9BjU[/tex]
- 计算下列各式的近似值:[tex=3.929x1.214]h+sVY2WqW8eaAAZ4/hpFDyfGHwkFaUrDiR1TFqUXhuw=[/tex];
- 【单选题】设全集U={x|-7≤x≤7},A={x|-1≤x4},B={x|-2≤x≤3},Cu(A∪B)= A. {x|-7≤x≤-1} B. {x|-7≤x≤-1或3<x≤7} C. {x|-7≤x<2或4≤x≤7} D. {4≤x≤7}