2) 506 × 108 = 54648
3) 9540 + 54648 = 64188
4) 64188 - 63295 = 893
2)236×400 = 94400
3)307648 - 94400 = 213248
4) 213248 + 8716 = 221964
2) 286996 : 457 = 628
3)164268 : 324 = 507
2) 700800 + 299200 = 1000000
3) 1000000 - 1000000 = 0
1) 648720 : 68 = 9540
2) 506 × 108 = 54648
3) 9540 + 54648 = 64188
4) 64188 - 63295 = 893
608×506-236×400+8716 = 2219641)608×506 = 307648
2)236×400 = 94400
3)307648 - 94400 = 213248
4) 213248 + 8716 = 221964
286996 : (1010-553)+164268 : 324 = 1135
1)1010-553 = 457
2) 286996 : 457 = 628
3)164268 : 324 = 507
4) 628 + 507 = 11351000000 - (700800+425×704)+25 = 25
1) 425×704 = 299200
2) 700800 + 299200 = 1000000
3) 1000000 - 1000000 = 0
4) 0 + 25 = 25