Monday, July 8, 2013

maths 2

87 divided by 3 = 29
3 x 9 = 27
3 x 20 = 60
27 + 60 = 87

Wednesday, July 3, 2013

maths

9 x 3652 =
10 x 3652 = 36520 - 9 = 36511

9 x 3000 = 27000
     9 x 600 =5400
        9 x 50 = 450
            9 x 2 = 18 =36511