(-5)+(-2)+(+9)-(-8) -15+(+3)-(-15)+(+2)+(-8)0.85+(+0.75)-【+2又4分之3】+(-1.85)+(+3)2-【(-5又3分之2)-(-3分之1)】

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 15:51:23
(-5)+(-2)+(+9)-(-8) -15+(+3)-(-15)+(+2)+(-8)0.85+(+0.75)-【+2又4分之3】+(-1.85)+(+3)2-【(-5又3分之2)-(-3分之1)】
xSJ@=,&M ~Iੈ6Og'= afd<*)DE6 !px/ 3zzcfr)uN|z}0/ _V;.BtSҵ߮lm wos`)at]OkjyX䯏9O_D%?Qū[MB,0k)0~-a}^RW|X&A-Cr aU'gew|qgi%еM^,2>G[< $

(-5)+(-2)+(+9)-(-8) -15+(+3)-(-15)+(+2)+(-8)0.85+(+0.75)-【+2又4分之3】+(-1.85)+(+3)2-【(-5又3分之2)-(-3分之1)】
(-5)+(-2)+(+9)-(-8) -15+(+3)-(-15)+(+2)+(-8)
0.85+(+0.75)-【+2又4分之3】+(-1.85)+(+3)
2-【(-5又3分之2)-(-3分之1)】

(-5)+(-2)+(+9)-(-8) -15+(+3)-(-15)+(+2)+(-8)0.85+(+0.75)-【+2又4分之3】+(-1.85)+(+3)2-【(-5又3分之2)-(-3分之1)】
(-5)+(-2)+(+9)-(-8)
=-7+9+8
= 2+8
=10
-15+(+3)-(-15)+(+2)+(-8)
=-12+15+2-8
=5-8
=-3
0.85+(+0.75)-【+2又4分之3】+(-1.85)+(+3)
=(0.85-1.85)+(0.75-2.75)+3
=-1-2+3
=0
2-【(-5又3分之2)-(-3分之1)】
=2-5又1/3
=-3又1/3

(-5)+(-2)+(+9)-(-8)=-5-2+9+8=10
-15+(+3)-(-15)+(+2)+(-8)=-15+15+3+2-8=-3
0.85+(+0.75)-【+2又4分之3】+(-1.85)+(+3)=0.85-1.85+0.75-2又4分之3+3=0
2-【(-5又3分之2)-(-3分之1)】=2-(-5又3分之2+3分之1)=2+5又3分之1=7又3分之1

口算一下,从左到右,10 ,-3 ,0 ,22/3

第一题:-7 17-12 15-6=10 3-6=7
第二题:1.60-2.75-1.85 3=4.60-4.60=0
第三题:2-16/3=-10/3

1.原式=-7+9+8=10
2.原式=-13+15+2-8=-4
3.原式=0.85+0.75-2.75-1.85+3=0
4.原式=-(-5-2/3+1/3)=51/3

()2()()()()()8()()()8()5()1()()()1 5 8()4 6 2()2()()1 8 3()()5()()()()4()()()()8()()6 2 5 ()()()15 9 2 4 1 6 7 3 8( 9()2()7()8()()()()4()()9()6()1 3()5()()()()24()()8 5()()1()()8 9 4()1 6 7()()1()()3 6()()88()()()()2()3 6()5 ()7() ()() 2 6 ()()5()() ()()()()()3()()8 9 ()() () 7 ()()2 3 ()() 6 ()()()9 ()() 8 ()()()()7()()()() 2 () (-2/5)×8-(-2/9)×(-4)+(-8)×3/5 求九宫格答案2()()()9()()()4 ()8()76()()3()()()7()1()5()6 531()()()42()9()()8()56()7()7()()413()()()()9()8()25( 一共有81格()()5 8()()()()()()()()()7()2()9()()()()9()()()()3 ()()4()1()2()()()()()8()3 7()()1 2 7()()( 请帮我做一下这道数独.5()()2()() 7 4()1()()()7 3 6 ()()2()9()4()3()()()5()4 3()()7 8 3()()()()9()()64 1()()2()()9()() 1()2()3()4()5()6()7()8()9=36填“+”,“-” () 4 () () 5 () ()()()() 6 9 () 7 1 ()()()2 ()() ()()() () 1 ()()()() 8 ()() 1 ()()() 7 () ()() 9 ()()()()() 3 数独横竖9个方格填1-9数字不能重复数字1.()(2)(7)()(6)()(1)()()2.()()(4)(1)()(7)()(9)(8)3.()()(1)(8)()()()(2)()4.()(5)( 谁能帮我解答这道九宫数独题?今天就要.()()()5()()()()()()()1 4 6 3()()()()()2()8()()()()()5 7 8 9 2()()()()9()1()6()() 解九宫格火速求/518()2()()4() ()()3()8752()2()4()6189() 1()()9()3()62 43()6()2()8796()8()4()()5()4179()2()8()2913()6()()()5 (8,4)(5,7)(10,2)(?,9) 急求数独九宫格答案9()()()()7()()384()62()17()()619()3()()5()2731()()()43()4()5976()()()()()()()8()()()()87()2()9 ()()()9()8除以()()=1999,在()里填入1、2、3、4、5 98.75=9×()+8×()+7×()+5×() 98.75=9*()+8*()+7*()+5*() ( )()9乘()()()等于8()8()6()() 5乘()() 2————————6()()()()()()----------------------------------2 0 () 6 7 0