Anúncios
1
Resolva: 200b-100b×2-10
190
200
120
300
2
Resolva: 200-200+10-1×3+2
15
19
30
29
3
Resolva:2×300-200-1
399
400
498
100
4
Resolva:-2+10
10
9
12
8
5
Resolva:1,4-x=1,2
2,6
0,0
1,0
1,7
6
Resolva: 2\6÷3
Quebrado
21,1
22
20
