999又25分之24乘以负5负5乘以7又3分之1加7乘以负7又3分之1减12乘以7又3分之1还有一题,(负1000又5分之1)乘以(5减10)的值为
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 12:41:34
![999又25分之24乘以负5负5乘以7又3分之1加7乘以负7又3分之1减12乘以7又3分之1还有一题,(负1000又5分之1)乘以(5减10)的值为](/uploads/image/z/252051-51-1.jpg?t=999%E5%8F%8825%E5%88%86%E4%B9%8B24%E4%B9%98%E4%BB%A5%E8%B4%9F5%E8%B4%9F5%E4%B9%98%E4%BB%A57%E5%8F%883%E5%88%86%E4%B9%8B1%E5%8A%A07%E4%B9%98%E4%BB%A5%E8%B4%9F7%E5%8F%883%E5%88%86%E4%B9%8B1%E5%87%8F12%E4%B9%98%E4%BB%A57%E5%8F%883%E5%88%86%E4%B9%8B1%E8%BF%98%E6%9C%89%E4%B8%80%E9%A2%98%EF%BC%8C%EF%BC%88%E8%B4%9F1000%E5%8F%885%E5%88%86%E4%B9%8B1%EF%BC%89%E4%B9%98%E4%BB%A5%EF%BC%885%E5%87%8F10%EF%BC%89%E7%9A%84%E5%80%BC%E4%B8%BA)
999又25分之24乘以负5负5乘以7又3分之1加7乘以负7又3分之1减12乘以7又3分之1还有一题,(负1000又5分之1)乘以(5减10)的值为
999又25分之24乘以负5
负5乘以7又3分之1加7乘以负7又3分之1减12乘以7又3分之1
还有一题,(负1000又5分之1)乘以(5减10)的值为
999又25分之24乘以负5负5乘以7又3分之1加7乘以负7又3分之1减12乘以7又3分之1还有一题,(负1000又5分之1)乘以(5减10)的值为
999又25分之24乘以负5
=999又24/25×(-5)
=(999+24/25)×(-5)
=999×(-5)+24/25×(-5)
=(1000-1)×(-5)-24/5
=1000×(-5)-1×(-5)-24/5
= -5000+5-4又4/5
= -4999又4/5
负5乘以7又3分之1加7乘以负7又3分之1减12乘以7又3分之1
=(-5)×7又1/3+7×(-7又1/3)-12×7又1/3
=(-5)×7又1/3-7×7又1/3-12×7又1/3
=(-5-7-12)×7又1/3
= -24×22/3
= -176
999又25分之24乘以负5
=(1000-1/25)×(-5)
=-5000+1/5
=-4999又4/5
负5乘以7又3分之1加7乘以负7又3分之1减12乘以7又3分之1
=(-5-7-12)×7又1/3
=-24×7又1/3
=-176
999又25分之24乘以负5
=(1000-1/25)×(-5)
=-5000+1/5
=-4999又4/5
负5乘以7又3分之1加7乘以负7又3分之1减12乘以7又3分之1
=7又1/3×(-5-7+12)
=7又1/3×0
=0
(999+24/25)(-5)=-(1000-1/25)*5=-(5000-1/5)=-(4999+1/5)
-4999又5分之4
185
-1001