3.62+(1.52-0.78)简算的步骤
用简便方法计算.(1)56.78-35.9-5.78-4.1(2)6.38×9.9+33×3.62×0.3....
用简便方法计算.
(1)56.78-35.9-5.78-4.1
(2)6.38×9.9+33×3.62×0.3. 展开
(1)56.78-35.9-5.78-4.1
(2)6.38×9.9+33×3.62×0.3. 展开
1个回答
展开全部
(1)56.78-35.9-5.78-4.1
=56.78-5.78-(35.9+4.1)
=51-40
=11;
(2)6.38×9.9+33×3.62×0.3
=6.38×9.9+9.9×3.62
=(6.38+3.62)×9.9
=10×9.9
=99.
=56.78-5.78-(35.9+4.1)
=51-40
=11;
(2)6.38×9.9+33×3.62×0.3
=6.38×9.9+9.9×3.62
=(6.38+3.62)×9.9
=10×9.9
=99.
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询