1.m+347+139 =m+486
2.569-(166+m)= 569 − 166 − m = 403 − m
1.m+347+139 =m+486 2.569-(166+m)= 569 − 166 − m = 403 − m
1.m+347+139 =m+486
2.569-(166+m)= 569 − 166 − m = 403 − m
1.m+347+139 =m+486 2.569-(166+m)= 569 − 166 − m = 403 − m