7.2×61又10/3+73.8×2又5/4

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/07 03:41:15
7.2×61又10/3+73.8×2又5/4

7.2×61又10/3+73.8×2又5/4
7.2×61又10/3+73.8×2又5/4

7.2×61又10/3+73.8×2又5/4
7.2×61又10/3+73.8×2又5/4
= 72/10×193/3+738/10×13/4
=2316/5+4797/20
通分得
=(9264+4797)/20
=14061/20
=703.05

703.05