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