49乘以11+49乘以36+49乘以54减49等于?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 02:49:47
49乘以11+49乘以36+49乘以54减49等于?

49乘以11+49乘以36+49乘以54减49等于?
49乘以11+49乘以36+49乘以54减49等于?

49乘以11+49乘以36+49乘以54减49等于?
49乘以11+49乘以36+49乘以54减49
=49×(11+36+54-1)
=49×100
=4900

49x11+49x36+54x49-49
=49x(11+36+54-1)
=49x100
=4900

49(11+36+54)-49=49(100)=4900