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负数的加减乘除题

(1)(+11)+(-7)+(+10)+(-3)+(-11) =(+11)+(-11)+(-7)+(+10)+(-3) =0+(-7)+(+10)+(-3) =0 (2)-(-2.4)-(+3.7)+(-4.6)-(-5.7) =2.4-3.7-4.6+5.7 =(2.4+5.7)-(3.7+4.6) =8.1-8.3 =-0.2 (3)1-3+5-7+9-11++97-99 =(1-3)+(5-7)+(9-11)++(97-99) =-2+(-2)+(-2)++(-2) =-

一定要选我为最佳答案呀,多给点分(1) (-9)-(-13)+(-20)+(-2)(2) 3+13-(-7)/6(3) (-2)-8-14-13(4) (-7)*(-1)/7+8(5) (-11)*4-(-18)/18(6) 4+(-11)-1/(-3)(7) (-17)-6-16/(-18)(8) 5/7+(-1

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) 5+21*8/2-6-59 68/21-8-11*8+61 -2/9-7/9-56 4.6-(-3/4+1.6-4-3/4) 1/2+3+5/6-7/12 [2/3-4-1/4*(-0.4)]/1/3+2 22+(-4)+(-2)+4*3 -2*8-8*1/2+8/1/8 (2/3+1/2)/(-1/12)*(-12) (-28)/(-6+4)+(-1) 2/(-2)+0/7-(-8)*(-2) (1/4-5/6+

1、-38)+52+118+(-62)= 2、(-32)+68+(-29)+(-68)= 3、(-21)+251+21+(-151)= 4、12+35+(-23)+0=5、(-6)+8+(-4)+12 =6、3又1/4+(-2又3/5)+5又3/4+(-8又2/5)= 7、9+(-

我还是先给你出几道正负数的加减运算(50-59+92)+1530/5+64*9-62/1232+69-4582159+1151-9584 51206+849+9-8948951*59+594-694*45+18-484 651/3-8451/9-69+4581254+9-45-(-45)*5695264*9548*(-65)*(-569)/3529*462*4658+695+(+265)+(-569)

1.23+(-73) 2.(-84)+(-49) 3.7+(-2.04) 4.4.23+(-7.57) 5.(-7/3)+(-7/6) 6.9/4+(-3/2) 7.3.75+(2.25)+5/4 8.-3.75+(+5/4)+(-1.5) 9.(-17/4)+(-10/3)+(+13/3)+(11/3) 10.(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4) 11

-5+6*(-5)+(-6)=-41;-5+6-(-5)-6=0;5*6/5+(-6)=0 不太明白你提的问题,不知道我这对不对

一定要选我为最佳答案呀,呵呵,多给点分e68a84e8a2ade79fa5e9819331333262373936(1) (-9)-(-13)+(-20)+(-2)(2) 3+13-(-7)/6(3) (-2)-8-14-13(4) (-7)*(-1)/7+8(5) (-11)*4-(-18)/18(6) 4+(-11)-1/(-3)(7) (-17)-6-16/(-18)(8) 5/7+(-1)-(-8)(9) (-1)*(-1)+15+

-1+2= -2+6=

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