一、|-16|+|-24|-|-30| 二、|-4|-|-2又3/4|三、|+3又1/4|+|-0.75|+0.125+|+5/8|+(-|-0.25|)四、(-3)-[(-5)÷3+(1-2又1/3×0.6)]×3又3/4五、[2又1/3×(1-1/5)²-(-2又1/2)²×7/25]×(-3又4/7)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 23:25:08
![一、|-16|+|-24|-|-30| 二、|-4|-|-2又3/4|三、|+3又1/4|+|-0.75|+0.125+|+5/8|+(-|-0.25|)四、(-3)-[(-5)÷3+(1-2又1/3×0.6)]×3又3/4五、[2又1/3×(1-1/5)²-(-2又1/2)²×7/25]×(-3又4/7)](/uploads/image/z/14486360-32-0.jpg?t=%E4%B8%80%E3%80%81%7C-16%7C%2B%7C-24%7C-%7C-30%7C+%E4%BA%8C%E3%80%81%7C-4%7C-%7C-2%E5%8F%883%2F4%7C%E4%B8%89%E3%80%81%7C%2B3%E5%8F%881%2F4%7C%2B%7C-0.75%7C%2B0.125%2B%7C%2B5%2F8%7C%2B%EF%BC%88-%7C-0.25%7C%EF%BC%89%E5%9B%9B%E3%80%81%EF%BC%88-3%EF%BC%89-%5B%28-5%29%C3%B73%2B%EF%BC%881-2%E5%8F%881%2F3%C3%970.6%EF%BC%89%5D%C3%973%E5%8F%883%2F4%E4%BA%94%E3%80%81%5B2%E5%8F%881%2F3%C3%97%EF%BC%881-1%2F5%EF%BC%89%26%23178%3B-%EF%BC%88-2%E5%8F%881%2F2%EF%BC%89%26%23178%3B%C3%977%2F25%5D%C3%97%EF%BC%88-3%E5%8F%884%2F7%EF%BC%89)
一、|-16|+|-24|-|-30| 二、|-4|-|-2又3/4|三、|+3又1/4|+|-0.75|+0.125+|+5/8|+(-|-0.25|)四、(-3)-[(-5)÷3+(1-2又1/3×0.6)]×3又3/4五、[2又1/3×(1-1/5)²-(-2又1/2)²×7/25]×(-3又4/7)
一、|-16|+|-24|-|-30| 二、|-4|-|-2又3/4|
三、|+3又1/4|+|-0.75|+0.125+|+5/8|+(-|-0.25|)
四、(-3)-[(-5)÷3+(1-2又1/3×0.6)]×3又3/4
五、[2又1/3×(1-1/5)²-(-2又1/2)²×7/25]×(-3又4/7)
一、|-16|+|-24|-|-30| 二、|-4|-|-2又3/4|三、|+3又1/4|+|-0.75|+0.125+|+5/8|+(-|-0.25|)四、(-3)-[(-5)÷3+(1-2又1/3×0.6)]×3又3/4五、[2又1/3×(1-1/5)²-(-2又1/2)²×7/25]×(-3又4/7)
一、|-16|+|-24|-|-30| =16+24-30=10
二、|-4|-|-2又3/4|=4-2又3/4=5/4
三、|+3又1/4|+|-0.75|+0.125+|+5/8|+(-|-0.25|)=13/4+3/4+1/8+5/8-1/4=3
四、(-3)-[(-5)÷3+(1-2又1/3×0.6)]×3又3/4=(-3)-[-5/3+(1-1.4)]*15/4=(-3)-[-6.2/3]*15/4=(-3)+31/4=19/4
五、[2又1/3×(1-1/5)²-(-2又1/2)²×7/25]×(-3又4/7)=[7/3*16/25-25/4*7/25]*(-25/7)=[16/3-25/4]*(-1)=[64/12-75/12]*(-1)=11/12
一 16+24-30=10 二 4-四分之六