Răspuns :
1). (99+17)+(9×2)=
116+18=134
2). (7×2)+(100-8)=
14+92=106
3). 9 = cel mai mare nr impar de o cifră.
9×2=18 ( dublul )
4). (2×7)-(2+7)= 14-9=5
5). (2×9)-(2×5)-(2+5)=
18-10-7=1
6). (500-493)×2=7×2=14
7). (301-297)×2=
4×2=8
Răspuns:
Explicație pas cu pas:
1) (99+17)-(9+9)=
11-18==83
2) (7+7)+(100-8)=
14+92=106
3) 9×2=18
4) (2×7)+ (7+2)=
14+9=23
5) (9×2) -(2+5)=
18-7=11
6) (500-493)×2=
7×2=14
7) (301-297)×2=
4×2=8