作业帮 > 数学 > 作业

用加,减,乘,除和括号连接各数,使等式成立.1 2 3 4 5 =1

来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/11 10:36:09
用加,减,乘,除和括号连接各数,使等式成立.1 2 3 4 5 =1
不能用负数.急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急···································································································································································································································
用加,减,乘,除和括号连接各数,使等式成立.1 2 3 4 5 =1
(1 ×2- 3) ×4 +5 =1
再问: 不能用负数
再答: (1 ÷2×3×4) -5 =1