1) 46*(21-3)+14*18= 46*18+14*18= 18*(46+14)= 18*60= 1080;
2) 12*(11+27)+38*13= 12*38+38*13= 38*(12+13)= 38*25= 950;
3) 144*72+28*(37+107)= 144*72+28*144= 144*(72+28)= 144*100= 14400;
4) 394*621+379*(121+273)= 394*621+379*394= 394*(621+379)= 394*1000= 394000;
5) 306*(813-85)+194*728= 306*728+194*728= 728*(306+194)= 728*500= 364000;
6) 35*(12+18)+73*(13+17)= 35*30+73*30= 30*(35+73)= 30*108= 3240;