题目内容
1的3×13=1的的×13-3______.
103×23,
=(100+3)×23,
=100×23+3×23,
=2300+69,
=2369;
100×23-3,
=2300-3,
=229三;
2369≠229三;
故答案为:×.
=(100+3)×23,
=100×23+3×23,
=2300+69,
=2369;
100×23-3,
=2300-3,
=229三;
2369≠229三;
故答案为:×.
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