问题
解答题
(1)0.720,0.702,0.712
______<______<______
(2)8.09,8.91,9.08,9.78
______<______<______<______
(3)3.87、4.53、3.45、3.78、4.35
______<______<______<______<______.
答案
(1)0.720,0.702,0.712,
0.702<0.712<0.720;
(2)8.09,8.91,9.08,9.78,
8.09<8.91<9.08<9.78;
(3)3.87、4.53、3.45、3.78、4.53,
3.45<3.78<3.87<4.35<4.53;
故答案为:(1)0.702<0.712<0.720,
(2)8.09<8.91<9.08<9.78,
(3)3.45<3.78<3.87<4.35<4.53.