不计算直接在（）里填上“>”、“<”或“=”。5p)V*])j6L:q8J2U6v'G9Y;K
678×0.994m/m)H;P6B0x,h9V7],z6785p)V*])j6L:q8J2U6v'G9Y;K
2.58×1.02/L6y4U;I:`9L;\7K3J(R6D3U6D:u7k5f2.585p)V*])j6L:q8J2U6v'G9Y;K
0.87÷1/107u1H;Q-v/e/f/M5k.[0{2T0.87×105p)V*])j6L:q8J2U6v'G9Y;K
3.14÷0.7-n-G;}:D4V:X8}.D3.14×0.75p)V*])j6L:q8J2U6v'G9Y;K