Algebra.ppt

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1、Algebra,Addition and Subtraction Equations,65.9,31.5 = a - 34.4,15,42 + y = 57,88.58,x + 76.31 = 164.89,96,23+ y = 119,81,x - 32 = 49,10.16,x + 19.98 = 30.14,69.47,44.58 + y =114.05,53,45 + y = 98,69,x + 23 = 92,35,x - 9 = 26,46,36 = a -10,100,36 = a - 64,91,96 + y =187,70,x + 72 =142,72,x - 5 = 67,

2、26,69 + y = 95,2,91+ y = 93,94,x - 75 = 19,62.96,x - 50.79 =12.17,81,x - 32 = 49,28,x + 27 = 55,47,x + 1 = 48,28.14,18.73 = a - 9.41,58,12 = a - 46,100,97 = a - 3,94,12 + y = 106,93,x + 69 =162,81.4,12.2 + y = 93.6,76,x + 41=117,70,39 = a - 40,30.66,x + 82.13 = 112.79,85.52,29.36 + y =114.88,98,7 =

3、a - 91,60.1,x -12.3 = 47.8,53,x + 45 = 98,47,4 = a - 43,100,67 = a - 33,31,x - 14 =17,99,24 + y =123,82.95,x + 34.45 = 117.4,9.43,x + 29.25 = 38.68,56.75,49.2 = a - 7.55,28,77 + y =105,25,70 + y= 95,96,x - 50 = 45,This powerpoint was kindly donated to http:/ is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.,