(625-189)+(414-325)- 129=218
625-189=436
414-325=89
436-89-129=218
(100•9:30)+120:2+140=
100•9=900
900:30=30
120:2=60
30+60+140=230
(625 – 189) + (414 – 325) – 129 = 396
1. 625 - 189 = 436
2. 414 - 325 = 89
3. 436 + 89 = 525
4. 525 - 129 = 396
(100 · 9 : 30) + 120 : 2 + 140 = 230
1. 100 * 9 = 900
2. 900 : 30 = 30
3. 120 : 2 = 60
4. 30 + 60 = 90
5. 90 + 140 = 230
(625-189)+(414-325)- 129=218
625-189=436
414-325=89
436-89-129=218
(100•9:30)+120:2+140=
100•9=900
900:30=30
120:2=60
30+60+140=230
(625 – 189) + (414 – 325) – 129 = 396
1. 625 - 189 = 436
2. 414 - 325 = 89
3. 436 + 89 = 525
4. 525 - 129 = 396
(100 · 9 : 30) + 120 : 2 + 140 = 230
1. 100 * 9 = 900
2. 900 : 30 = 30
3. 120 : 2 = 60
4. 30 + 60 = 90
5. 90 + 140 = 230