★83/5x2.7+62x14%+35x0.86简便计算简便计算★要过程
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 01:46:16
![★83/5x2.7+62x14%+35x0.86简便计算简便计算★要过程](/uploads/image/z/1269444-12-4.jpg?t=%E2%98%8583%2F5x2.7%2B62x14%25%2B35x0.86%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E2%98%85%E8%A6%81%E8%BF%87%E7%A8%8B)
★83/5x2.7+62x14%+35x0.86简便计算简便计算★要过程
★83/5x2.7+62x14%+35x0.86简便计算
简便计算★要过程
★83/5x2.7+62x14%+35x0.86简便计算简便计算★要过程
83 / 5 X 2.7 + 62 X 14% + 35 X 0.86
= 16.6 X 2.7 + 62 X 0.14 + 70 X 0.43
= 1.66 X 27 + 0.62 X 14 + 7 X 4.3
= 1.66 X 20 + 1.66 X 7 + 1.24 X 7 + 4.3 X 7
= 16.6 X 2 + 7 X ( 1.66 + 1.24 + 4.3 )
= 33.2 + 7 X ( 2.9 + 4.3 )
= 33.2 + 7 X 7.2
= 33.2 + 50.4
= 83.6