74.05+24.65-6.83 12-8.999-0.037 4.08-(6.32-0.68-0.86-3.72) 简便计算74.05+24.65-6.8312-8.999-0.037 4.08-(6.32-0.68-0.86-3.72)简便计算求快速!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 09:56:53
![74.05+24.65-6.83 12-8.999-0.037 4.08-(6.32-0.68-0.86-3.72) 简便计算74.05+24.65-6.8312-8.999-0.037 4.08-(6.32-0.68-0.86-3.72)简便计算求快速!](/uploads/image/z/442842-42-2.jpg?t=74.05%2B24.65-6.83+12-8.999-0.037+4.08-%EF%BC%886.32-0.68-0.86-3.72%EF%BC%89+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%9774.05%2B24.65-6.8312-8.999-0.037+4.08-%EF%BC%886.32-0.68-0.86-3.72%EF%BC%89%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E6%B1%82%E5%BF%AB%E9%80%9F%21)
74.05+24.65-6.83 12-8.999-0.037 4.08-(6.32-0.68-0.86-3.72) 简便计算74.05+24.65-6.8312-8.999-0.037 4.08-(6.32-0.68-0.86-3.72)简便计算求快速!
74.05+24.65-6.83 12-8.999-0.037 4.08-(6.32-0.68-0.86-3.72) 简便计算
74.05+24.65-6.83
12-8.999-0.037
4.08-(6.32-0.68-0.86-3.72)简便计算
求快速!
74.05+24.65-6.83 12-8.999-0.037 4.08-(6.32-0.68-0.86-3.72) 简便计算74.05+24.65-6.8312-8.999-0.037 4.08-(6.32-0.68-0.86-3.72)简便计算求快速!
(1)74.05+24.65-6.83
=74+24+0.05+0.65-6.7-0.13
=98+0.7-6.7-0.13
=92-0.13
=91.87
(2)12-8.999-0.037
=12-9-0.037+0.001
=3-0.036
=2.964
(3)4.08-(6.32-0.86-3.72)
=4.08-6.32+0.86+3.72
=4.08+0.86+3.72-6.32
=4.94-2.6
=2.34
74.05+24.65-6.83=98.7-6.83=98.7-6.7-0.13=92-0.13=91.87 12-8.999-0.037=12-9+0.037-0.001=3.036 4.08-(6.32-0.68-0.86-3.72)=4.08-6.32+0.68+0.86+3.72=4.08+(3.72+0.68)-6.32+0.86=4.08+4.4-6.32+0.68=...
全部展开
74.05+24.65-6.83=98.7-6.83=98.7-6.7-0.13=92-0.13=91.87 12-8.999-0.037=12-9+0.037-0.001=3.036 4.08-(6.32-0.68-0.86-3.72)=4.08-6.32+0.68+0.86+3.72=4.08+(3.72+0.68)-6.32+0.86=4.08+4.4-6.32+0.68=2.16+0.68=2.84 最后一道题好似有误
收起
自己通过结合律后再算就OK了