1、8= 286= 75= 364= 305=935-362=725-647=807-369=842-379=345-178=77-76+32 = 61-38+26= 79+19-16 = 18-36+27 = 30+(23-29)= 639= 648= 3816= 455= 71=480-324=728-353=972-85=357-184=220-126= 393= 93+23+94 = 467 = 2045 = 685 =2523= 1235= 2771= 4633= 408=536+89=168+240=370+453=90+910=74+926=(58-34)8 = 84-27+16=
2、4+27-16 = 99+(25-24)= 6(26) =2115= 3622= 5918= 7224= 4129=403-184=600-176=800-592=420-129=603-396=3 = 93+23+94= 485 = 449= 7216= 4332= 358= 561000-235=1000-761=189+198=276+89=94+380=(7518)7 = 77-76+32 = 61-38+26= 64 = 1054= 82= 756= 567= 126= 42=56+433= 121+78= 250+163= 74+926= 693+245= 59-36+29 = 9
3、4-29+96 = 30-(23-29) = 93-23+94= 71-(25-24)= 217= 73= 88= 324= 809=428+172= 546+315= 328+456= 84+453= 196+397= 99+99-96= 627= 7(455)= 1996 = 1627 = ( )6=30 427= 356= 287= ( )8=48163 254 305 4+926= (192)3= (364)27 = 32416= 2942= 4267= 213= 364= 182= 637= 96=198+409=307+453= 65+485= 522+89= 168+240= 3
4、0-(23+29) = 3+23+94 = 93-(39-23)= 99-(99-29) = 99-36+29 =9= 4610= 6540= 819= 5520=89+211=480+426= 432+111=672-652=210-185=82-22+84 = 22-(28-22) = 88-(25-24) = 88-86+22= 68-28+26 = _ 用时:946= 93= 99= 5832= 8028=615-347=814-379=603+287=622-55=930-166=259+641= 684 = (62)7 = (4028)6 = (4230)2= 77-76+32 =
5、 3360= 546= 408= 4=20 6113=710-347=821-286=189+198= 655-324=516-409= 539= 9830 = 8730 = 686 = 61-38+26 = 155= 93= 4215= 189= 18060=210-78=627-276=172= 65+243=646+76=263+578= (6650)2= 36(24)= 38-36+27= 84-27+16 = 79+19-16 = 7240= 478= 1485= 6127= 17020=263+578=646+76= 506-283=804-372=94+707= 4+27-16
6、= 93+23+94 = 69-(39-23)= 99+(23-24)= 18-36+27= _一、口算59= 77= 7316= 60300= 10849= 226= 809= 19709=三、列式计算(24)= 38-36+27= 84-27+16 = 79+19-16 = 8329= 56= 4317= 2127= 3280443780-(1942)= (2115)9 = 6482 = 816= (39-30)6 =6= 364= 648= 51= 153=4555124+11+2648= 875-147-223= 85+214 = (534-327)+621= 45(247-238) =8= 426= 40050= 3826= 938=32276673 80-1942= ( 2115)9= 6486 = (39-30)6= 497= 69= 5630= 355= 2725=406-287=503-207=586-208= 338+162+247=789467 = 2085= 7= 99+(25-24)=
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