能简算则简算.2.5×6.6×0.4 (9.87+9.87+9.87+9.87)×25 16.7×0.4+15.5 1.96×0.57+1.96×0.43
答案:1 悬赏:20
解决时间 2021-01-11 09:13
- 提问者网友:饥饿走向夜
- 2021-01-10 10:20
能简算则简算.2.5×6.6×0.4 (9.87+9.87+9.87+9.87)×25 16.7×0.4+15.5 1.96×0.57+1.96×0.43
最佳答案
- 二级知识专家网友:风格不统一
- 2021-01-10 11:07
(1)2.5×6.6×0.4, =2.5×0.4×6.6, =1×6.6, =6.6; (2)(9.87+9.87+9.87+9.87)×25, =(9.87×4)×25, =9.87×(4×25), =9.87×100, =987; (3)16.7×0.4+15.5, =6.68+15.5, =22.18; (4)1.96×0.57+1.96×0.43, =1.96×(0.57+0.43), =1.96×1, =1.96; (5)6.75+23.4÷7.2, =6.75+3.25, =10; (6)0.65×201, =0.65×(200+1), =0.65×200+0.65×1, =130+0.65, =130.65. |
我要举报
如以上回答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息,可以点下面链接进行举报!
点此我要举报以上问答信息!
大家都在看
推荐信息