Explicație pas cu pas:
1.(-3)+(-5)=
2.(-12)*(+7)=
3.(-3)+(+3)=
4.(+40):(-2)=
5.(+10)-(+10)=
6.(-2)+(-2)-(-2)*(+2):(+2)=
7.(+10)*(-5):(+2)=
8.(-38)-(-38)+30=
9.(+4)*(-2)+10=
10.(-8)-3+2=
11.(+1,2)*(-10,8)=
12.(-2)-(-2,12)=
13.(+12):2*(-7)=
14.(-90)*(-10):(-90)=
15.(+15)+[16:(-4)-(-16)]=
16.(-80):40-(-22)+4=
17.(+18)*17,16=
18.(-20)*10,5=
19.(+88):(-44)*22+(-11)-(+20)=
20.(-44+55-66):(-3)=
21.(+6*6):(-16-2)*0=
22.(-22:22)+22-22=
23.(-64+64):8-(+8)=
24.(+28:4)-(-162:18)=
25.(-49-12)*7:2+(-12)=
26.(+30)*{0:30*(-6)+66*(-2):[20:(-4)]}=
27.(+27)+(-27)-(-27)*(-27):27=
28.(-2)*9=
29.(-80+80)*(30-31)=
30.(-30+12-13+14-15)*0=
31.(+31-44)*2=
32.(-32:2)-(-32)*(-1)=
33.(-80-12)*(-123:123)=
34.(-34-34+34+34:2-10)=
35.(+90:10)-(-19000:1234)=
36.(+11-11*11:11)=
37.(-39:11-3)-(+12)=
38.(+99-99*2:8):[-99-(-66-777)=
39.(-39:11)-(-1+1111)=
40.(+400*100):(-182-181)=
41.(-10000000-9999999:2)*(-23)=
42.(+10-10):(-10-10+10)=
43.(-13:56+72)-(-13)=
44.(+1-2+3):[1*(-2)*3)=
45.(-112-112)*1234567=
46.(+30*31)-123:3*3=
47.(-987-986*28):10=
48.(+47)-(-22:2)=
49.(-50:20)+123=
50.(-50:1000)*1000-(-2000)=
