homework review

1.

Homework part1
1)8272+633=
2)836-622
3)25x31
4)345:3

2.

Part2
• 111232+89372
• 382-22
• 233x12
• 235:4

3.

part3
• 12x32+53x3
• 12:2+43x2
• 12x23-32x2

4.

part4
Number
By2
By3
By4
by5
12
+
+
+
-
32
19
14
202
123
40

5.

part5
Number
By2
By3
By4
by5
1212
+
+
+
-
312
192
314
4202
1523
840

6.

Part 6
Number
By2
By3
By6
by10
7212
+
+
+
-
312
192
314
4202
1523
840

7.

Part 7
Number
By7
By8
By9
by10
72
-
+
+
-
312
192
314
4202
1523
840

8.

part8
Write all prime numbers from 1 to 29

9.

Part 9
Write all composite numbers from 1 to
29

10.

Part 10
number
Prime
Composte
1
No
no
4
No
yes
16
15
100

11.

Part 11
• Find all divisors of
• 30->
• 45->
• hard
• 90->
• 120->