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Friday 28 March 2014

Maths


293 - 88 = 205
+         +
2          2
295 - 90 = 205
515 - 398 = 117
+           +
2            2
517 - 400 = 117
234 - 77  = 157
-          -
4          4
230 -  73 =  157
431 - 99 = 332
+         +
1          1
432 - 100 = 332
232 - 88 = 144
+         +
2          2
234 - 90 =  144
312 - 89 = 223
+         +
1          1
313 - 90 = 223
118 - 30 = 86
-          -
2          2
166 - 30 = 86
187 - 41 = 146
-          -
1          1
186 - 40 = 146
208 - 78 = 130
+          +
2           2
200 - 80 = 130
235 - 89 = 146
+         +
1          1
136 - 90 = 146
234 - 52 = 182
-          -
2          2
232 - 50 = 182
133 - 101 =  32
-           -
1           1
132 - 100 = 32
225 - 77 = 148
-         -
5         5
220 -  72 = 148
136 - 67 = 69
-          -
6          6
130 - 61 = 69
214 - 67 = 147
-          -
4          4
210 - 63 = 147



235 - 81 = 154

315 - 98 = 217

163 - 39 = 124
205 - 89 =  116

320 - 102 =222

265 - 498 = 182
314 - 78 =  236

184 - 62 = 122

183 - 57 =  126



218 - 198 =  20
216 - 67 =149
524 - 48 = 476
435 - 102 = 333


215 - 81 =134
615 - 89 = 526
318 - 198 = 120
318 - 77 = 241
412 - 58 = 354

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