练习册

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  • 试题
    34+6= 47+8= 54+6= 67+8= 【查看更多】

     

    题目列表(包括答案和解析)

    3
    4
    ×2    =
    1
    6
    +
    1
    2
    =
    5
    9
    ÷5    =
    1
    12
    ×
    6
    7
    =
    3
    4
    ÷3    =
    5
    4
    ×
    5
    4
    =
    5
    8
    ÷1    =    		 5-
    2
    3
    =
    3
    9
    ×12    =
    3
    5
    ×
    5
    12
    =    		 4-
    2
    3
    =
    7
    12
    ×3    =
    2
    7
    ÷14    =    		 8+
    3
    5
    =    		 0×
    13
    30
    =    		 39×
    3
    13
    =
    8×
    1
    2
    =
    5
    6
    ÷
    3
    4
    =    		 4×
    12
    7
    =    		 20÷
    4
    5
    =
    1-
    9
    10
    =    		 2.5×16=
    5
    12
    ÷
    1
    6
    =
    3
    2
    ×
    4
    5
    =
    8
    15
    ÷24    =    		 11÷
    22
    8
    =
    1
    2
    ÷
    3
    8
    =
    4
    7
    ÷
    2
    3
    =
    3
    4
    +
    1
    7
    =    		 1.5÷0.05= 0×
    1
    9
    ×9    =    		 1.5÷0.05=
    5
    8
    ÷
    7
    12
    =
    4
    5
    ×
    2
    3
    ×
    5
    6
    =
    5
    9
    ×
    2
    5
    =    		 2.5×0.4=
    14×
    5
    16
    =    		 (
    1
    2
    +
    1
    3
    )×12    =
    14
    33
    ×
    3
    7
    =    		 0×
    7
    9
    =
    5
    8
    ×
    5
    8
    =
    5
    21
    +
    4
    7
    =
    7
    9
    ÷7    =    		 2-
    1
    4
    =
    3
    5
    -
    1
    8
    =
    4
    21
    ÷
    8
    7
    =
    2
    3
    -
    1
    4
    =    		 6.25+1.75=
    1
    2
    ÷
    7
    18
    =
    9
    10
    ×6    =
    1
    8
    +
    1
    9
    =
    3
    4
    ÷
    4
    3
    =
    1
    2
    ×
    2
    3
    =    		 12-
    5
    7
    =    		 1÷
    2
    5
    =
    2
    9
    ÷18    =
    7
    28
    ÷
    2
    9
    =    		 10×1×
    2
    5
    =    		 20÷
    4
    5
    =
    1
    3
    ×9+9×
    2
    3
    =
    42÷
    21
    23
    =
    3
    8
    ÷12    =

    查看答案和解析>>

    口算．

    (1)16＋20=

    (2)67－40=

    (3)30＋48=

    (4)36－8=

    (5)48－4=

    (6)5＋34=

    (7)59－5=

    (8)60＋4=

    (9)54＋5=

    (10)51－9=

    (11)21＋9=

    (12)75－70=

    (13)47－30=

    (14)7＋28=

    (15)94－60=

    (16)23＋50=

    查看答案和解析>>

    口算．

    (1)16＋20=

    (2)67－40=

    (3)30＋48=

    (4)36－8=

    (5)48－4=

    (6)5＋34=

    (7)59－5=

    (8)60＋4=

    (9)54＋5=

    (10)51－9=

    (11)21＋9=

    (12)75－70=

    (13)47－30=

    (14)7＋28=

    (15)94－60=

    (16)23＋50=

    查看答案和解析>>

    看谁写得又快又对。
    43+4= 52+7= 5+21=
    76+2= 4+62= 33+4=
    24+9= 6+54= 8+61=
    74+6= 2+89= 69+8=
    34+5= 47+8= 56+5=
    30+35= 43+20= 50+13=
    62+20= 54+30= 30+67=
    45+30= 39+40= 86+10=
    20+68= 50+25= 20+59=
    10+88= 60+15= 40+39=

    查看答案和解析>>

    在下面的表里找出8、8的2倍、3倍……9倍，把这些数圈出来。
    1 2 3 4 5 6 7 8 9 10
    11 12 13 14 15 16 17 18 19 20
    21 22 23 24 25 26 27 28 29 30
    31 32 33 34 35 36 37 38 39 40
    41 42 43 44 45 46 47 48 49 50
    51 52 53 54 55 56 57 58 59 60
    61 62 63 64 65 66 67 68 69 70
    71 72 73 74 75 76 77 78 79 80
    81 82 83 84 85 86 87 88 89 90

    查看答案和解析>>


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