优优班--学霸训练营 > 知识点挑题
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            • 1. 直接写出得数.
              67%+1.33=
              1
              3
              +
              1
              5
              =
              2
              3
              =
              0.12=
              13.2-2.5=1-
              3
              8
              =
              3
              5
              ×
              5
              9
              =
              0.5÷0.7=
            • 2.     是36的
              11
              9
              ,比18多25%.
            • 3. 直接写出得数.
              4
              51
              ×17=
              4
              27
              ÷(
              7
              12
              -
              1
              6
              )=
              125×1.6=
              12.56÷6.28=
              6
              35
              =
            • 4. 直接写出得数.
              0.25×16=15.7÷3.14=12.8×2.5+12.8×7.5=
              2
              3
              ×
              3
              4
              =
              4
              5
              -
              3
              4
              =
              0.42+3.29+0.58+5.71=
              0.389×101-0.389=
              51
              57
              ÷
              17
              19
              =
              1
              10
              +0.25+65%=
            • 5. 直接写得数
              2.2+3.57=
              3
              4
              ×12=
              1
              9
              +
              2
              3
              =
              500÷125÷8=3.37+5.63=
              5
              8
              ÷
              2
              3
              =
              3.25×4=0.9×(99+0.9)=
              5
              4
              ×8+8×
              1
              4
              =
              3
              4
              ÷3×
              3
              4
              ÷3=
            • 6. 直接写出得数.
              1
              5
              -
              1
              6
              =
              5
              8
              ×
              2
              3
              =
              3
              16
              ×
              4
              9
              =
              2
              7
              ÷
              4
              7
              =
              1
              2
              +
              1
              4
              =
              7
              12
              ×
              3
              14
              =
              12÷
              3
              4
              =
              12
              13
              ÷4=
            • 7. 计算下面各题
              3
              5
              ×20=
              5
              7
              +
              1
              3
              =
              1
              7
              ×
              2
              3
              =
              2
              9
              ×18=
              3
              4
              -
              1
              8
              =
              2
              9
              ×4=
              4
              15
              ×
              5
              8
              =
              4
              5
              ×
              1
              8
              =
            • 8. 直接写出得数.
              0.875÷
              3
              8
              =
              7.2×
              4
              9
              =
              2
              3
              3
              4
              =
              25.6+0.44=
              4
              7
              +
              1
              5
              -
              4
              7
              +
              1
              5
              =
              5÷20%=
              2
              3
              +
              1
              2
              -
              3
              4
              )×12=
              2.5×18×4=
              50÷2.5÷4=9.8-2.71-3.29=
              2
              5
              ×
              1
              4
              ÷
              2
              5
              ×
              1
              4
              =
              2
              3
              ×
              4
              5
              ÷1
              1
              3
              =
            • 9.
              (1)这些○的
              5
              6
              是多少个?
              (2)这些○的
              3
              4
              是多少个?
            • 10. 直接写出结果:
              1
              3
              ×0=
              3
              8
              ÷
              9
              16
              =
              12×
              5
              6
              =
              3
              8
              +
              2
              3
              =
              5
              7
              ÷
              1
              7
              =
              1
              4
              ×
              2
              5
              =
              2
              3
              =
              7
              12
              ×
              3
              14
              =
            0/40

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