Question

calcule as expressões 12+16:8x3-5

100-6x7+8:2

64:8+5x5-3

1+3+5x7-9:3

Answer 1

100-6x7+8:2
100-42+4
58+4
62

64:8+5x5-3
64:8+25-3
8-22
30

1+3+5x7-9:3
1+3+35-3
4+32
36

Answer 2

1) 12 + 16 : 8 x 3 - 5 
12 + 2 x 3 - 5
12 + 6 - 5
18 - 5 
13

2) 100 - 6 x 7 + 8 : 2 
100 - 42 + 4
58 + 4
62

3) 64 : 8 + 5 x 5 - 3
8 + 25 - 3
8 + 22
30

4) 1 + 3 + 5 x 7 - 9 : 3
1 + 3 + 53 - 3
4 + 50
54