问题
填空题
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答案
(1)187+345=532;
(2)605-229=376;
(3)800-267=533;
(4)369+452=821;
(5)421-146=275;
(6)703-264=439;
(7)1000-503=497.
故答案为:532,376,533,821,275,439,497.
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(1)187+345=532;
(2)605-229=376;
(3)800-267=533;
(4)369+452=821;
(5)421-146=275;
(6)703-264=439;
(7)1000-503=497.
故答案为:532,376,533,821,275,439,497.