5.5×7.2+6.7×5.5-13.9×4.

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/22 18:12:19
5.5×7.2+6.7×5.5-13.9×4.5.5×7.2+6.7×5.5-13.9×4.5.5×7.2+6.7×5.5-13.9×4.5.5×7.2+6.7×5.5-13.9×4.5=39.6+3

5.5×7.2+6.7×5.5-13.9×4.
5.5×7.2+6.7×5.5-13.9×4.

5.5×7.2+6.7×5.5-13.9×4.
5.5×7.2+6.7×5.5-13.9×4.5
=39.6+36.85-62.55
=76.45-62.55
=13.9
希望您能采用我的答案,谢谢!