351
a-600 a.b-600.300=180000 a+b-600+300=900
b-300 a:b-600:300=2 a-b-600-300=300
349
32.(324-216)+5166: (5423-5381=
1) 324+216=108
2)108.32=3458
3)5423-5581=42
4)5166:49=123
5)103+3456=5579
351
a-600 a.b-600.300=180000 a+b-600+300=900
b-300 a:b-600:300=2 a-b-600-300=300
349
32.(324-216)+5166: (5423-5381=
1) 324+216=108
2)108.32=3458
3)5423-5581=42
4)5166:49=123
5)103+3456=5579