Tuesday, 19 November 2013

Maths Work

30+40=70
20+30=50
80+10=90
40+10=50
30+50=80
60+20=80
30+20=50
80+20=100

80-40=40
90-30=60
50-10=40
30-20=10
20-10=10
70-40=30
50-30=20
80-10=70
70-20=50

90-50=40

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