1、 简便计算题（带答案）(1)1234+700+300 （2）350+195+105+850 (3)132+(68+54) (4)26+(89+74) （5）2352 (6)147+89+53+11+36(7)356-147-100-53 (8)287+36+13 (9)432-123-77(10)435-(135+189) (11)317-49-11-40 (12)369-142-58 (13)6(175) (14)45125 (15)21353(16)1225 (17)540452 (18)20045(19)420(75) (20)800(208) (21)27045(22)12524 (2
2、3)38052 (23)13101(24)5667+5633 (25)2648+836 (26)(25+11)40(27)85199+85 (28)4859+5952 (29)12581-125(30)5899 (31)125248 (32)2839+28(33)7973+2273-73 答案：(1)1234+700+300 (2)350+195+105+850 (3)132+(68+54) =1234+(700+300) =(350+850)+(105+195) =132+68+54=1234+1000 =1200+300 =200+54=2234 =1500 =254(4)26+(89+7
3、4) (5)2352 (6)147+89+53+11+36=26+74+89 =23(52) =(147+53)+(89+11)+36=100+89 =2310 =200+100+36=189 =230 =336(7)356-147-100-53 (8)287+36+13 (9)432-123-77=356-(147+100+53) =287+13+36 =432-(123+77)=356-300 =300+36 =432-200=56 =336 =232(10)435-(135+189) (11)317-49-11-40 (12)369-142-58 =435-135-189 =317-(4
4、9+11+40) =369-(142+58)=300-189 =317-100 =369-200=111 =217 =169(13)6(175) (14)45125 (15)21353=6517 =42551 =13(52)=3017 =10051 =1310=510 =5100 =130(16)1225 (17)540452 (18)20045=2543 =540(452) =200(45)=1003 =54090 =20020=300 =6 =10(19)420(75) (20)800(208) (21)27045=42075 =800820 =27095=605 =10020 =305=
5、12 =5 =6(22)12524 (23)38052 (23)13101=12583 =380(52) =13100+131=10003 =38010 =1300+13=3000 =38 =1313(24)5667+5633 (25)2648+836 (26)(25+11)40=56(67+33) =(264+36)8 =2540+1140=56100 =3008 =1000+440=5600 =2400 =1440(27)85199+85 (28)4859+5952 (29)12581-125=85(199+1) =(48+52)59 =125(81-1)=85200 =10059 =12580=17000 =5900 =1000(30)5899 (31)125248 (32)2839+28=58100+581 =125824 =28(39+1)=5800-58 =100024 =2840=5742 =24000 =1120(33)7973+2273-73 =73(79+22-1)=73100=7300
