问题
填空题
计算:99×
|
答案
99×
-0.625×68+6.25×0.1,5 8
=99×0.625-0.625×68+0.625×1,
=(99-68+1)×0.625,
=32×0.625,
=4×8×0.625,
=4×5,
=20;
故答案为:20.
计算:99×
|
99×
-0.625×68+6.25×0.1,5 8
=99×0.625-0.625×68+0.625×1,
=(99-68+1)×0.625,
=32×0.625,
=4×8×0.625,
=4×5,
=20;
故答案为:20.