题目内容
把下列加法式子转化成乘法式子.
①120+120+120+120+120=______×______;
②200+220+240+260=______×______.
①120+120+120+120+120=______×______;
②200+220+240+260=______×______.
①120+120+120+120+120=120×5;
②200+220+240+260=920,
920÷4=230,
则200+220+240+260=230×4.
故答案为:120,5,230,4.
②200+220+240+260=920,
920÷4=230,
则200+220+240+260=230×4.
故答案为:120,5,230,4.
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