Mathematics, 07.12.2021 21:40, unknown6669

< or >? +10 ? +13 2
< or >? -10 ? -13
3
< or >? 0 ? -8
4
< or >? -11 ? +9
5
< or >? +14 ? -16
6
< or >? -18 ? 0
7
|+7|=
8
|-9|=
9
|0|=
10
|-15|=
11
+9 + +7 =
12
+13 + -8 =
13
-14 + +7 =
14
-10 + +10 =
15
0 + -6 =
16
+13 - +5 =
17
+11 - -6 =
18
-16 - +9 =
19
-10 - -8 =
20
0 - +5 =
21
+8 · +6 =
22
+10 · -4 =
23
-3 · -11 =
24
0 · -12 =
25
-7 · -9 =
26
+42 ÷ +6 =
27
+56 ÷ -7 =
28
-63 ÷ -7 =
29
-72 ÷ +9 =
30
0 ÷ -6=

Answers: 2

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< or >? +10 ? +13 2
< or >? -10 ? -13
3
< or >? 0 ? -8