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