231 + 13 + 1751 = 1995
237 + 195 + 5 = 437
231 + 231 = 2 x 231 = 232
Approximately 231
200+25=225 225x30=195 195-20=175 the answer is 175
231 + 13 + 1751 = 1995
234 + 231 = 465
231 + 194 = 425
237 + 195 + 5 = 437
195 + 219 = 414
185 195 205 215 225
231 + 231 = 2 x 231 = 232
195.
308
213
Approximately 231
200+25=225 225x30=195 195-20=175 the answer is 175