1、脱式计算(117 题)2800 100789 (947599 )764 36(1527623) (932521)9 723(521504)25 (3921)(3966)5071363 498 38412331 28(5+9632) 571256035 8486401612 960( 15003245 ) (12+24+80)50 32(25+125) 178-14556+42123181233+85123 25(24+16 ) 17899+178 (140-70)54 63+84242 4907+24545+24012 157+857 (46-20 )30-9025274 (404)25 24
2、0080142 108(8336060 ) (42048)(375345) 290(343+99) 142549+14 75425 1676766 720362 9953+53 4502(16 9 )245(45+39) 125(84)5 4125-25420( 205198)4 460(29183) (960400)70(140-70) 54 63+84242 4907+245266-110 157+857 (46-20)30-90(404)25 24008014 2 108(8336060)(42048)(375345) 290(343+99 ) 142549+14 1676766 995
3、3+53 4502(169 )245(45+39) 125(8 4)5 4125-25420(205198)4 460(29 18 3) (960400 )70 45+24012 124+78+22 100-35-25 (140-70) 54 63+84242 4907+245266-110 (46-20)30-90 157+857 (404)25 240080142 108(8336060)(42048)(375345) 290(343+99) 14254 9+14 1676766 9953+53 4502(169 )245(45+39) 4125-25 420(205198)X4460(2
4、9183 ) (960400)70 43+3155 426-2793 98-194+62 51+1217 843-1368 (32+28)6 32513(266-250)55+720(40-35) (220-180)8 36(287+23) (38+42)(52535) (135-72 )7 7217528(2466-32) 340-240205 (58+12)(968)10663 248302 52430 36427 3 (13525)406 18(7958 )27(33889-19)34 (640+75015 ) 15 (72-57 )38 892-( 9056 2) 69(800 700)5 254+320 822+59 328+125 85+324