问题
填空题
72+68+132=______+(______○______ )
35×92+35×8=______×(______○______ )
答案
(1)72+68+132=72+(68+132);
(2)35×92+35×8=35×(92+8);
故答案为:72,68,+,132;35,92,+,8.
72+68+132=______+(______○______ )
35×92+35×8=______×(______○______ )
(1)72+68+132=72+(68+132);
(2)35×92+35×8=35×(92+8);
故答案为:72,68,+,132;35,92,+,8.