问题 填空题 计算:99×58-0.625×68+6.25×0.1=______. 答案 99×58-0.625×68+6.25×0.1,=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.