1260/28+63*52怎么算,有简便运算吗
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 23:37:21
![1260/28+63*52怎么算,有简便运算吗](/uploads/image/z/1584470-38-0.jpg?t=1260%2F28%2B63%2A52%E6%80%8E%E4%B9%88%E7%AE%97%2C%E6%9C%89%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E5%90%97)
1260/28+63*52怎么算,有简便运算吗
1260/28+63*52怎么算,有简便运算吗
1260/28+63*52怎么算,有简便运算吗
45+63*52
=9*5+9*7*52
=9(5+7*52)
=9(5+436)
=9*441
=(10-1)*441
=4410-441
=3969
约分
45+63*52
=9*5+9*7*52
=9(5+7*52)
=9(5+436)
=9*441
=3969
45+63*52
=9*5+9*7*52
=9(5+7*52)
=9(5+436)
=9*441
=(10-1)*441
=4410-441
=3969