8.54×6.5+5.4×8.54-1.9×5.4的简便运算算
答案:2 悬赏:80
解决时间 2021-01-09 16:50
- 提问者网友:兔牙战士
- 2021-01-09 03:00
8.54×6.5+5.4×8.54-1.9×5.4的简便运算算
最佳答案
- 二级知识专家网友:山河有幸埋战骨
- 2021-01-09 04:22
8.54×6.5+5.4×8.54-1.9×5.4
=8.54x(6.5+5.4)-1.9x5.4
=8.54x12-1.9x5.4
=(8+0.54)x12-1.9x5.4
=8x12+0.54x12-1.9x10x0.54
=96+0.54x(12-1.9x10)
=96+0.54x(12-19)
=96-0.54x7
=96-3.78
=92.22
谢谢,请采纳
=8.54x(6.5+5.4)-1.9x5.4
=8.54x12-1.9x5.4
=(8+0.54)x12-1.9x5.4
=8x12+0.54x12-1.9x10x0.54
=96+0.54x(12-1.9x10)
=96+0.54x(12-19)
=96-0.54x7
=96-3.78
=92.22
谢谢,请采纳
全部回答
- 1楼网友:有你哪都是故乡
- 2021-01-09 04:55
8.54×6.5+5.4×8.54-1.9×5.4
=8.54×6.5+3.5×8.54+1.9×8.54-1.9×5.4
=8.54×(6.5+3.5)+1.9×(8.54-5.4)
=85.4+5.996
=91.366
=8.54×6.5+3.5×8.54+1.9×8.54-1.9×5.4
=8.54×(6.5+3.5)+1.9×(8.54-5.4)
=85.4+5.996
=91.366
我要举报
如以上问答内容为低俗、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!
大家都在看
推荐资讯