1. 15+27×13-10×15+123×58=
=15+351-150+7134
=366-150+7134
=216+7134
=7350
2. 482×284-152×10+51×27=
=136888-1520+1377
=135368+1377
=136745
3. 848-12×5×(184+16)=
=848-12000
=-11152
4. 1820+120×10+10×(2411×51)=
=1820+1200+10×122961
=1820+1200+1229610
=3020+1229610
=1230810
5. 4208×101-(52×418)+25×32=
=425008-21736+800
=403272+800
=404072
