初中口算题40道急需

3个回答

  • 1.(1+1/2)(1+1/3)(1+1/4).(1+1/100)

    2.(1-1/2)(1-1/3)(1-1/4).(1-1/100)

    3.8+2-8+2

    4.25*4/25*4

    5.7.26-(5.26-1.5)

    6.286+198

    7.314-202

    8.526+301

    9.223-99

    10.6.25+3.85-2.125+3.875

    11.9-2456*21

    12.0.5/11.5-4*2.75

    13.1/2×3/5

    14.3.375+5.75+2.25+6.625

    15.1001-9036÷18

    16.3.8×5.25+14.5

    17.2.1*4.3+5.7*2.1

    18.30×1/3

    19.102*45-328

    20.2/3×12

    21.2.8*3.1+17.6/8

    22.3/5×5/6

    23.(50-12.5)/2.5

    24.2/5×1/3

    25.6110*47+639

    26.1/2-1/6

    27.3.5*2.7-52.2/18

    28.1/7×1/5

    29.3.375*0.97+0.97*6.625

    30.25×4/5

    31.6.54+2.4+3.46+0.6

    32.5/6-1/2

    33.95.6*1.8+95.6*8.2

    34.1/2×1/5

    35.600-420/12

    36.344/3.6-5.4*0.25

    37.16/2+30/2+90/6

    38.3001-1998.

    39.5000-105*34

    40.0.15/0.25+0.75*1.2