问题 填空题
0.3______0.41.2______0.9
3.4______4.33.4______3.2
5.5______5.51.7______0.8
5.1+0.4______4.3+0.87.7-0.8______3.9+2.9.
答案

0.3<0.4;1.2>0.9;
3.4<4.3;3.4>3.2;
5.5=5.5;1.7>0.8;
5.1+0.4>4.3+0.8;7.7-0.8>3.9+2.9.
故答案为:<;>;<;>;=;>;>;>.

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