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Monday 9 June 2014

Subtraction


293 - 88 = 381
+2       +2

295 - 90 = 381
515 - 398 = 913
+2     +2

517 - 400 = 913
234 - 77 = 311
+3      +3

237 - 80 = 311
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 - 32 = 86
+2     +2

120 - 34 = 86
187 - 41 = 146
+3      +3

190 - 44 = 146
208 - 78 = 130
+2      +2

210 - 80 = 130
235 - 89 = 146
+1     +1

236 - 90 = 146
234 - 52 = 182
-2      -2

232 - 50 = 182
433 - 101 = 332
-1       -1

432 - 100 = 332
225 - 77 = 148
+3      +3

228 - 80 = 148
136 - 67 = 66
+3      -3

139 - 70 = 66
214 - 67 = 144
+3     +3

217 - 70 = 144



235 - 81 = 154

315 - 98 = 217

163 - 39 = 124
205 - 89 = 116

220 - 102 =118

765 - 498 = 267
314 - 78 = 236

184 - 62 = 122

183 - 67 = 116



218 - 198 = 20
524 - 68 = 456
216 - 67 =149
435 - 102 = 333



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

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