问题
填空题
0.98×99=0.98×______-0.98×______.
答案
0.98×99,
=0.98×(100-1),
=0.98×100-0.98×1,
=98-0.98,
=97.02.
故答案为:100,1.
0.98×99=0.98×______-0.98×______.
0.98×99,
=0.98×(100-1),
=0.98×100-0.98×1,
=98-0.98,
=97.02.
故答案为:100,1.