作业帮-2.5+(-1/5) 0.4-(-1/4)+1/6 1/3-(-5/6)+2/3 1/3+(-1/5)+1+2/3 2
来源：学生作业帮 编辑：拍题作业网作业帮 分类：数学作业 时间：2024/04/30 07:59:00
-2.5+(-1/5) 0.4-(-1/4)+1/6 1/3-(-5/6)+2/3 1/3+(-1/5)+1+2/3 27-18+(-7)-32 0.5+(-1/4)-(2.75)+1/2
-2.5+(-1/5)
=-2.5-0.2
=-2.7
0.4-(-1/4)+1/6
=2/5+1/4+1/6
=24/60+15/60+10/60
=49/60
1/3-(-5/6)+2/3
=(1/3+2/3)-(-5/6)
=1+5/6
=11/6
1/3+(-1/5)+1+2/3
=(1/3+2/3)+(1-1/5)
=1+4/5
=9/5
27-18+(-7)-32
=27-(18+7+32)
=27-47
=-30
0.5+(-1/4)-(2.75)+1/2
=1/2-1/4-2.75+1/2
=(1/2+1/2)-(0.25+2.75)
=1-3
=-2
=-2.5-0.2
=-2.7
0.4-(-1/4)+1/6
=2/5+1/4+1/6
=24/60+15/60+10/60
=49/60
1/3-(-5/6)+2/3
=(1/3+2/3)-(-5/6)
=1+5/6
=11/6
1/3+(-1/5)+1+2/3
=(1/3+2/3)+(1-1/5)
=1+4/5
=9/5
27-18+(-7)-32
=27-(18+7+32)
=27-47
=-30
0.5+(-1/4)-(2.75)+1/2
=1/2-1/4-2.75+1/2
=(1/2+1/2)-(0.25+2.75)
=1-3
=-2
-2.5+(-1/5) 0.4-(-1/4)+1/6 1/3-(-5/6)+2/3 1/3+(-1/5)+1+2/3 2
-2.5+(-1/5) 0.4-(-1/4)+1/6 1/3-(-5/6)+2/3 1/3+(-1/5)+1+2/3
计算（1）-2.5+（-1/5）； （2）0.4-（-1/4）+1/6（2)1/3-(-5/6)+2/3; （4）1/3
这两道计算题怎么写?-2.5+(-5/1) 0.4-(-4/1)+6/1 3/1-(-6/5)+3/2 3/1+(-5/
-1/2,+1/3,-1/4,+1/5,-1/6,.
负2.5+负5分之1 0.4-负4分之1+6分之1 3分之1-负6分之5+3分之2 3分之1+负5分之1+1+3分之2
1+2+3+1+2+3-4+5+6
1/1*2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7
1/2+1/2*1/3+1/3*1/4+1/4*1/5+1/5*1/6+1/6*1/7+.1/1999*1/2000得多
1、求|1-1/2|+|1/2-1/3|+|1/3-1/4|+|1/4-1/5|+|1/5-1/6|+|1/6-1/7|
1 1 1 1 2 1 1 3 3 1 1 4 6 4 1 1 5 10 10 5 1 1 6 15 20 15 6 1
1+1+1+1+11+-1-1-1-1-2-3-4-5-6等于