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1、 口 算1,17×40 2,100633, 3.21.68 4,2.8×0.4 5,147.46, 1.92÷0.04 7,0.32×5008, 0.654.35 9,105.410, 4÷20 11,3.5×20012, 1.50.06 13,0.75÷1514, 0.4×0.8 15,4×0.25 16,0.361.54 17,1.01×9918, 420÷35 19,25×12 20,135÷0.5 题21,3/4 + 1/4 =22, 2 + 4/9 = 2
2、3,3 - 2/3 =24, 3/4 - 1/2= 25,1/6 + 1/2 -1/6 =26, 7.5-(2.5+3.8)=27, 7/8 + 3/8 = 28,3/10 +1/5 = 29,4/5 - 7/10 =30, 2 - 1/6 -1/3 = 31,0.51÷1732, 32.819 33,5.2÷1.3 34,1.6×0.4 35,4.9×0.7 36,1÷5 37,6÷12 38,0.870.49 39,17×4040, 10063 41,3.21.6842, 2.8×0.4 43,147.4 44
3、,1.92÷0.04 45,0.32×50046, 0.654.35 47,105.448, 4÷2049, 3.5×200 50,1.50.06 51,0.75÷1552, 0.4×0.8 53,4×0.25 54,0.361.54 55,1.01×99 56,420÷35 57,25×12 58,135÷0.5 59,3/4 + 1/4 =60, 2 + 4/9 = 61,3 - 2/3 = 62,3/4 - 1/2= 63,1/6 + 1/2 -1/6 = 64,7.5-(2.5
4、+3.8)= 65,7/8 + 3/8 = 66,3/10 +1/5 = 67,4/5 - 7/10 = 68,2 - 1/6 -1/3 = 69,0.51÷17 70,32.819 71,5.2÷1.3 72,1.6×0.4 73,4.9×0.774, 1÷5 75,6÷1276, 0.870.49 77,17×40 78,10063 79,3.21.6880, 2.8×0.4 81,147.4 82,1.92÷0.04 83,0.32×50084, 0.654.35 85,105.4 86,
5、4÷20 87,3.5×200 88,1.50.06 89,0.75÷15 90,0.4×0.8 91,4×0.25 92,0.361.54 93,1.01×9994, 420÷3595, 25×12 96,135÷0.5 97,3/4 + 1/4 =98, 2 + 4/9 = 99,3 - 2/3 = 100,3/4 - 1/2= 101,1/6 + 1/2 -1/6 =102, 7.5-(2.5+3.8)= 103,7/8 + 3/8 = 104,3/10 +1/5 = 105,4/5 - 7/10
6、=106, 2 - 1/6 -1/3 = 107,0.51÷17108, 32.819109, 5.2÷1.3 110,1.6×0.4 111,4.9×0.7 112,1÷5 113,6÷12 114,0.870.49 115,17×40 116,10063 117,3.21.68118, 2.8×0.4 119,147.4120, 1.92÷0.04 121,0.32×500122, 0.654.35 123,105.4 124,4÷20 125,3.5×200126, 1
7、.50.06 127,0.75÷15128, 0.4×0.8 129,4×0.25 130,0.361.54 131,1.01×99132, 420÷35133, 25×12 134,135÷0.5 135,3/4 + 1/4 = 136,2 + 4/9 =137, 3 - 2/3 = 138,3/4 - 1/2= 139,1/6 + 1/2 -1/6 = 140,7.5-(2.5+3.8)= 141,7/8 + 3/8 = 142,3/10 +1/5 = 143,4/5 - 7/10 =144, 2 - 1/6 -1/3
8、= 145,0.51÷17 146,32.819147, 5.2÷1.3 148,1.6×0.4 149,4.9×0.7150, 1÷5 151,6÷12 152,0.870.49 153,2 + 4/9 = 154,3 - 2/3 = 155,3/4 - 1/2= 156,1/6 + 1/2 -1/6 = 157,7.5-(2.5+3.8)= 158,7/8 + 3/8 = 159,3/10 +1/5 = 160,4/5 - 7/10 = 161,2 - 1/6 -1/3 = 162,0.51÷17163, 32.8191
9、64, 5.2÷1.3 165,1.6×0.4 166,4.9×0.7 167,1÷5168, 6÷12169, 0.870.49 170,17×40 171,10063 172,3.21.68173, 2.8×0.4 174,147.4175, 1.92÷0.04 176,0.32×500 177,0.654.35 178,105.4 179,4÷20 180,3.5×200181, 1.50.06 182,0.75÷15 183,0.4×0.8 184,4
10、15;0.25 185,0.361.54 186,1.01×99187, 420÷35 188, 25×12 189,135÷0.5 190,3/4 + 1/4 = 191,2 + 4/9 =192, 3 - 2/3 =193, 3/4 - 1/2= 194,1/6 + 1/2 -1/6 = 195,7.5-(2.5+3.8)=196, 7/8 + 3/8 = 197,3/10 +1/5 = 198,4/5 - 7/10 =199, 2 - 1/6 -1/3 =200,39×4=201, 51×9= 202,77×7=203
11、, 874×3= 204,304×5= 205,106×10= 206,178×3=207, 78×9= 208,1.573×6=209, 3.52×100=210, 3.54×8=211, 43.87×4= 212,163×3= 213,724×7= 214,43.7×8=215, 46.9×8= 216,78×9= 217,250×0.4= 218,24×5=219, 37×8= 220,104×5=221, 8
12、47×4= 222,8×42= 223,5.78×92= 224,78×2= 225,245×0= 226,306×103×0= 227,132×6= 228,350×1000=229, 317×4=230, 1.52×6= 231,125×0.8= 232,302×783×0=233, 264×8= 234,5.76×9= 235,3875×0= 236,1.854×0×100=237, 937×
13、;4= 238,285×4= 239,134×3= 240,125×8=241, 25×4= 242,300×52=243, 5×42= 244,1.35×9=245, 15×8=246, 125×4=247, 8.456×1000= 248,640÷16= 249,39÷3= 250,24×20= 251,32×3= 252,48÷16= 253,12×8= 254,27×3= 255,56÷14= 256,24&
14、#247;8= 257,14×2= 258,8345= 259,560÷80= 260,96÷24= 261,40÷20= 262,40×30= 263,3726= 264,7639= 265,60559= 266,30×23= 267,12×8= 268,2732= 269,4827= 270,4500×20= 271,7315 = 272,120×600 = 273,200×360= 274,6800×400= 275,280270= 276,4×2500= 277,60
15、00÷40= 278,5×1280= 279,4.32.7 280,0.750.25 281,40.26 282,0.352.7 283,4.61.9 284,0.830.3 285,30.05 286,7.23.8 287,0.070.6 288,1.390.39 289,105.4290,4.7+2.3=291,6.92.5=292,6×3.4=293,1.4×0.5=294,0.02×0.5=295,6.3÷7=296,0.75÷0.25=297,4.8÷0.3=298,0.56÷28=299,0.
16、64÷0.8=300,3.6÷24=301,7.2+12.8=302,12.8÷4=303,12.5÷5=304,10÷20=305,8.65×10=306,3.08×0.01=307,6.9×0.1=308,2.4÷0.8=309,9.6÷0.8=310,4.95÷0.9=311,0.325×100=312,0.56÷0.7=313,3.28×0.1=314,7.2×0.1=315,0.25×0.4=316,1÷2.5=31
17、7,3.2÷0.04=318, 1.2×2.5+0.8×2.5 319,8.9×1.25-0.9×1.25 320,12.5×7.4×0.8 321,3.4-1.4=322,0.728-0.24=323,0.89-0.25=324,19.9+11.1=325,1+3.89=326,75÷10=327,0.8×7=328,1.32×8=329,10.3×2=330, 0.728-0.24= 331, 0.8+0.18= 332, 0.89-0.25= 333,1-0.98= 334, 0
18、.048+0.52= 335, 5×400= 336,19.9+11.1= 337,187÷1000= 338, 1+3.89= 339,0.081×10= 340,75÷10= 341,0.96÷0.8= 342, 3.5×0.2= 343,9.2-6= 344,8500÷500= 345,3.2-3.2= 346,3.7+2.3= 347,25×100= 348,3.2-0.32= 349, 2+2.8= 350,380-290= 351,0.35+0.5= 352, 0.35+0.63= 353,3500
19、247;70= 354,3.1+3= 355, 3.8+0.38=356,7500÷250= 357,3.8+1= 358,0.95-0.05= 359,450+780= 360, 3.1+0.3= 361, 3+0.3= 362,630÷9= 363, 4.5-0.4= 364, 9.5-5= 365,330×9= 366,3.5+2.4= 367,1-0.95= 368,0.3+0.27= 369,0.47+0.13= 370,4.5+4= 371,4-0.6= 372,0.95+0.05= 373, 2.5+3.2= 374,0.74+0.16= 375,2
20、3×100= 376,9.8-4.8= 377,480÷40= 378,0.53÷100= 379,5.1+2.3= 380, 125×80= 381, 70×12=382,0.25×100= 383, 3.4-2.8= 384, 0.6-0.37= 385,0.052×10= 386, 10+0.08= 387,1-0.75= 388,0.5×1000= 389,0.82+0.3= 390,13.5+6.5= 391,3.05×100= 392, 1.2-0.8= 393, 21.6-12.6=394,
21、 63÷100= 395, 0.83-0.5= 396, 0.76+0.14= 397,80÷1000= 398, 2.7+0.4= 399, 0.72-0.43= 400,30×100= 401,0.92-0.2= 402, 3.5+4.8= 403,3.5+2.4= 404, 5+0.07= 405,1-0.61= 406,0.47+0.23= 407,0.25+0.75= 408,3.7+0.33= 409,0.51+0.33= 410,1-0.6= 411,7.2+0.8= 412,7.82+0.3= 413, 8.8-6.7= 414,9.5-7.3=
22、415,1-0.95= 416, 3.4-2.8= 417,0.96-0.35= 418,0.35×0.6= 419, 3.08×0.01= 420, 4.95×1000= 421, 6.9×0.1= 422, 0.4×0.5= 423, 2.4÷0.8= 424, 10.8÷9= 425,9.6÷0.8= 426, 0.108÷2= 427,4.95÷0.9= 428,9.65÷0.1= 429,0.325×100= 430,2.5×8= 431,0. 56
23、47;0.7= 432,0.125×4= 433,3.28×0.1= 434,3.9÷0.13=435,7.2×0.1= 436,0.01×0437,0.43÷10= 438,53.4÷100= 439,278.6÷1000=440,9.2÷10= 441, 0.6×0.9= 442, 3.4×0.3= 443, 5×0.6= 444, 4.5×2= 445,0.03×0.5= 446, 1.6×0.3=447,0.23×3= 448, 5.1×2= 449, 9×0.3= 450, 7.1×3= 451, 1.5×6= 452,8.4÷4= 453, 0.65&
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