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