Anúncios
1
500+500÷4=
253
260
250
2
100÷50=
1
5
2
3
25+25÷2=
15
25
23
4
100×9=
1000
900
800
5
700-200×0=
800
700
400
6
591×5=
2.955
2.000
2.494
7
590×1÷2+20=
315
312
300
8
-9(8)+18=
1
2
Zero
9
6(-2)×2÷3
-8
8
-1
10
-90(-2)×1÷2
90
-90
60
11
5-3!×0
5
-2
-5
12
0+0+5!=
120
160
80
