| 12.3×4×0.25 | 12.96－（9.6－1.52） |
| 85×10.1 | 1.2÷0.25＋1.3×4 |
| 103×0.25 | （4.8＋6.4）÷8 |
| 35÷125 | 40.5÷0.81×1.05 |
| 34.5×0.03+34.5×0.97 | （203.4＋72.2）÷（1.3×0.2） |
| 8×4.3×12.5 | 97.5÷0.39－136.7 |
| 2.5×102 | 86.4÷0.24×0.25 |
| 4.2÷28 | 11.16÷（10－0.7） |
| (9.6+3.2)÷0.8 | （300－94.8）÷0.5 |
| 0.125×16 | 12.6÷[3.5－（9.8－8.7）] |
| 3.2×5.6－11.4 | 0.8÷[（0.4＋0.5）×0.6] |
| 5.74×99＋5.74 | 8．9×1.1×4.7 |
| 4.75＋3.25×2.4＋7.6 | 2.7×5.4×3.9 |
| 3.8×1.4＋18.2÷0.7 | 3.6×9.85-5.46 |
| 4.8×0.25 | 8.05×3.4+7.6 |
| 4.7×10.2 | 6.58×4.5×0.9 |
| 7.63×99＋7.63 | 2.8×0.5+1.58 |
| 6.73＋2.56＋1.44＋3.27 | 8×5.2+3.8×3.8+3.8 |
| 2.37×2.5×4 | (6.7+6.7+6.7+6.7) ×2.5 |
| 1.5×102 | 9.8×25×4 |
| 2400÷16÷0.5 | 32×0.25×0.125 |
| 2.8×3.2＋3.2×7.2 | 7.4－0.15×2.8 |
| 3.76×0.25－0.49 | 0.008+0.92×5－1.28 |
| 0.25×4.78×4 | 7.8÷（1.3×4） |
| 0.65×201 | 7.2×0.9＋0.01×7.2 |
| 1.2×2.5＋0.8×2.5 | 8.6×10.1 |
| 2.5×7.1×4 | 5.6×(12.5－8.5 ÷0.85) |
| 16.12×99＋16.12 | [(8.1－5.6) ×0.9－1] ×0.4 |
| 5.2×0.9＋0.9 | 8.25×4.08+0.75×4.08+4.08 |
| 4.3×50×0.2 | 4.32＋5.43＋6.68 |
| －2.×0.5 | 15.17－6.8－3.2 |
| 26×15.7＋15.7×24 | 12.75－(2.75＋6.8) |
| (2.275 ＋0.625)×0.28 | 1.27＋3.9＋0.73＋16.1 |
| 3.94+34.3×0.2 | 12.8－4.9－5.1 |
| 1.2×(9.6÷2.4)÷4.8 | 6.75－（0.9＋3.75） |
| 8.9×1.1×4.7 | 1.34＋1.8＋3.66＋0.2 |
| 2.7×5.4×3.9 | 0.96－0.28＋0.04－0.72 |
| 3.6×9.85-5.46 | 12.78-(4.97+2.78) |
| 8.05×3.4+7.6 | 31.7－0.5×0.7－1.65 |
| 6.58×4.5×0.9 | 35.72- 4.9-（5.72+5.1） |
| 2.8×0.5+1.58 | 111－3.67×2.8－3.67×7.2 |
| 32＋4.9－0.9 | 12.5×6.3+27×1.25+0.125÷0.01 |
| 4.8－4.8×0.5 | 3.1+25.78+6.9 |
| (1.25－0.125)×8 | 15.25+4.72+4.75+5.28 |
| 4.8×100.1 | 34.82－(4.82+15.2) |
| 56.5×99＋56.5 | 7.28+0.94+2.72+0.06 |
| 7.09×10.8－0.8×7.09 | 7.84+0.73—0.84 |
| 4.85 + 0.35 ÷1.4 | 6.3×99+6.3 |
| 8.7 ×17.4 - 8.7 ×7.4 | 15.7—4.3—5.7 |
| 12.5×0.4×2.5×8 | 1.6+0.4—1.6+0.4 |
| 0.87×3.16+4. | 62.8÷2.5÷0.4 |
| 9.5×101 | 7.3×99 |
| 0.68 ÷（5.2 -3.5）×1.25 | (1.25+2.5) ×8 |
| 40.5 ÷0.81 ×0.18 | 9.42×10—94.2×0.9 |
| 4.8 ×（15 ÷2.4） | 1.8×2.48+1.52×1.8-0.5 |
| 2．13.×0.×8257 | 8.76+0.4×3.6×2.5+1.24 |
| 6.81+6.81×99 | 6.5×(10-3.7)+2.98 |
| 0.25×185×40 | ［4.75+8.4÷(9.2-6.8)］×40 |
| 4.4×0.8－3.4×0.8 | 19.8-0.6×0.6-0. |
| (9.37+9．37+9．37+9．37)×2．5 | 0.125×7.9×16 |
| 4．2.×1.＋1.×1.75 | 2.48×(7.3-5.8)+1.5×7.52 |
| 2.37×6.3+2.37×3.7 | 12.773-［4.5×(0.75-0.356)+9.23］ |
| 2.5×1.25×0.32 | (6.4+0.88)÷0.8+3.2×1.25 |
| 3.8×10.1 | 24-［5.4+(0.63+1.29÷0.23)］ |
| 2.5×(3.8×0.04) | 2.18+4.65+7.82+5.35+12.5 |
| 7.69×101 | 15.84-2.17-3.83 |
| 3.8×10.1 | (25+2.5+0.25)×4 |
| 0.25×39+0.25 | (35.2×45.6+45.6×63.8+45.6 |
| 0.125×72 | 12.25－3.1＋0.85－6.17 |
| 46×0.33+54×0.33 | （（1.9－1.9×0.9）÷（3.8－2.8） |
| 1.8+0.02= | 5.76×3＝ | 2.08×7.5= | 0.43×0.28= |
| 0.72÷0.9= | 90.75÷3.3 | 1.05×2.4= | 4.6×0.6= |
| 0.2÷0.01= | 16.9÷0.13 | 1.÷0.54= | 3.08×0.43= |
| 0.25×40= | 3.7×0.016 | 5.61÷6.1= | 5.22÷29= |
| 1.25×0.8= | 5.2×0.6 | 6.21÷0.3= | 13.95÷3.1= |
| 5.5×66= | 6.4×0.5 | 1.3÷0.9 | 5.93×0.76 |
| 7.8×0.35= | 5.25×5 | 21.84÷0.7 | 3—2.08 |
| 8.4×0.25= | 0.042×0.54 | 28.14÷6.7 | 3.54×13 |
| 4.1-1.298 | 0.25×0.046 | 0.396÷1.2= | 20－5.674 |
| 6.84×7.45 | 1.08×25 | 15.6×13= | 5.4÷0.036 |
| 36.72÷2.4 | 0.125×1.4≈ | 0.025×14= | 5.778÷5.4= |
| 110.7÷0.54 | 10.1÷3.3= | 0.04×0.12＝ | 1.5×0.25= |
| 1.204÷0.43= | 3.25×9.04= | 6÷1.2= | 9.2÷2.3= |
| 3.5×0.2= | 7.15×22 | 18.9÷0.54= | 6.45×0.73= |
| 4.8 + 2 = | 1.55÷3.9 | 0.35×8.6= | 1.5×26.7= |
| 3.5×24= | 8.4×1.3 | 54÷0.36= | 7.218÷36 |
| 4.25×24= | 35.4×4.2 | 0.462÷1.4 | 5.24÷7.2 |
| 5.24÷7.2 | 2.52×3.4 | 0.756÷0.36= | 5.84÷0.16 |
| 87.11÷3.1 | 2.5÷0.7= | 3.06×36= | 8.02×3.5= |
| 1-0.01= | 3.68×0.25 | 1.44÷1.8= | 8.9×0.05= |
| 7.6×1.05= | 4.48×0.4 | 5.86÷0.24 | 16.32÷51 |
| 5.56÷0.83 | 4.8×0.25＝ | 0.18×15= | 8÷11 |
| 6.5-5.6= | 13.76×0.8= | 9.58÷0.23= | 18.72÷3.6= |
| 2.84×0.05 = | 10.75÷12.5= | 3.84×2.6≈ | 28.56÷5.1= |
| 0.42×0.308 | 0.76×0.32 | 4.32÷3.6 | 2.7+3.13 |
(1)5.8+2.32+0.68+4.2
(2)1999+199.9+19.99+1.999
(3)12.59-3.24-5.76
(4)8.1+7.8+8.2+8.4+7.9+7.7
(5)18×5.5
(6)8.88×1.25
(7)34.7×0.25
(8)238÷1.25
(9)0.25×12.5×3.2
(10)124.68+324.68+524.68+724.68+924.68
(11)5795.5795÷5.7957×579.5
(12)1990×198.9-19×198.8
(13)2.25×0.16+2×0.0225+5.2×2.25+0.225×20
(14)(1+0.28+0.84) ×(0.28+0.84+0.66)-(1+0.28+0.84+0.66) ×(0.28+0.84)
(15)4.82×0.59+0.41×1.59-0.323×5.9
(16)0.125×0.25×32
(17)16×4.5
(18)0.25×1.25×22.4
(19)0.9+0.99+0.999+0.9999+0.99999
(20)(72×357+357×28)÷(51×7×4)
(21)98×99999999÷1010101÷11111111
(22)4.8×(11.03-15.6÷7.5)
(23)(67.8+9.48) ÷0.96-2.58×30.05
(24)[1.7+1.7×(5.8-2.8)]+(1.75÷1.4)
(25)3.04×8.7-3.04×2.9+5.8×6.96
(26)(0.1+0.2+0.3+0.4+…+1)÷5.5
(27)3.14×6.5+4.5×3.14-3.14
(28)1240×3.8+124×51+1.24×1400+760×9.6+0.76×700
(29)1÷(2÷3) ÷(3÷4) ÷(4÷5) ÷…÷(1999÷2000)
(30)1-2+3-4+5-6+…-98+99-100+100下载本文
