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
T H 1 3 + 1 3 = 2 6 N S I I 7
E U F 1 2 + 1 2 = 2 4 V D E =
1 0 + 1 0 = 2 0 + 2 0 = 4 0 4
8 2 = 4 1 + 4 1 L F O 0 Z A +
E H F V 0 7 = 0 4 + 0 3 D 7 3
5 J 2 3 = 6 1 + 6 1 = 6 + 0 1
0 J T 6 = 3 + 3 = 5 Z 8 V X 1
+ 2 5 = 2 5 = 5 0 + = C Y T +
2 T E E H 8 2 F N 1 Q P V L 1
5 H R U 1 + B S 5 5 D R M C 1
= Z F + 5 0 + 5 0 = 1 0 0 Q =
7 F 8 7 C D 3 3 + 3 3 = 6 6 2
5 1 7 + 1 7 = 3 4 0 + 2 = 4 2
W 8 + 7 = 1 5 X S R G B K D K
O K J S T 1 9 + 1 9 = 3 8 H E
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