School: Math

Some facts we should know

Math
Some facts we should know

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10+10=20
10+6=16
11+11=22
12+12=24
13+13=26
14+14=28
15+15=30
16+16=32
17+17=34
18+18=36
19+19=38
20+20=40
25=25=50
3+3=6
3+3=6
3+4=7
30+40=70
33+33=66
40+2=42
50+25=75
50+50=100
7+8=15
75+25=100
8+7=15
1 2 + 1 2 = 2 4 0 + 2 = 4 2 C
8 H R E 4 3 = 7 1 + 7 1 R Z O
+ + I A 3 3 + 3 3 = 6 6 B C F
1 O 7 7 N L O G 1 0 + 6 = 1 6
8 M O = 5 0 + 5 0 = 1 0 0 T U
= E K 1 1 + 1 1 = 2 2 D G E D
3 I Y 3 Q 5 2 5 = 2 5 = 5 0 H
6 8 C + B F D 5 0 + 2 5 = 7 5
V 3 C 1 4 + 1 4 = 2 8 V L + 7
R = 0 3 = 5 1 + 5 1 I E K 8 =
B 9 Q = 0 7 = 0 4 + 0 3 Z = 4
A 1 O 2 M U R O F O Z 0 X 1 +
G + S 6 X F 6 = 3 + 3 O H 5 3
O 9 R B J J 2 3 = 6 1 + 6 1 I
G 1 0 + 1 0 = 2 0 + 2 0 = 4 0
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