问题
填空题
4.6×0.99=______×______-______×______.
答案
4.6×0.99,
=4.6×(1-0.01),
=4.6×1-4.6×0.01,
=4.6-0.046,
=4.554.
故答案为:4.6,1,4.6,0.01.
4.6×0.99=______×______-______×______.
4.6×0.99,
=4.6×(1-0.01),
=4.6×1-4.6×0.01,
=4.6-0.046,
=4.554.
故答案为:4.6,1,4.6,0.01.