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  • 1 # 使用者8140234220371

    20道豎式計算:

    6.7X0.3 2.4X6.2 0.56X0.04 56X1.3 3.2X2.5 2.6X1.08 0.86X7 3.5X16 12.5X42 1.3X4 5.2X5 32X15 1.8X23 7X0.86 0.6X0.39 0.37X0.4 1.06X25 27X0.43 2.4X3 2.4X5

    20道估算:

    0.049X45 0.8X0.9 1.7X0.45 72X0.81 7.06X2.4 0.7X1.2 3.6X0.5 0.25X4.78 0.65X201 1.2X1.4 0.37X8.4 0.86X1.2 2.34X0.15 4.8X0.25 1.5X105 2.33X4 1.2X3.5 0.8X20.5

    2.4X1.9 24X1.9

    20道簡便計算:

    1÷ 5×9÷ 4=

    23÷ 4×2÷ 6=

    76÷5×138=

    87÷9×3÷19=

    15÷4×1÷3=

    56÷2×1÷8=

    2÷9×3÷18=

    1÷4×3=

    12÷13×26=

    19÷6×3÷2=

    2÷3×7÷2=

    6÷7×14÷2=

    16÷7×21÷4=

    29÷3×6=

    1÷2×6=

    1÷6×9=

    4÷3×7=

    9÷4×8=

    3÷12×2÷9=

    5÷9×7÷5=

    20道脫式計算:

    1.125× 3+125× 5+25× 3+25

    2.9999× 3+101× 11× (101-92)

    3.(23÷ 4-3÷ 4)× (3*6+2)

    4. 3÷ 7 × 49÷ 9 - 4÷ 3

    5. 8÷ 9 × 15÷ 36 + 1÷ 27

    6. 12× 5÷ 6 – 2÷ 9 ×3

    7. 8× 5÷ 4 + 1÷ 4

    8. 6÷ 3÷ 8 – 3÷ 8 ÷6

    9. 4÷ 7 × 5÷ 9 + 3÷ 7 × 5÷ 9

    10. 5÷ 2 -( 3÷ 2 + 4÷ 5 )

    11. 7÷ 8 + ( 1÷ 8 + 1÷ 9 )

    12. 9 × 5÷ 6 + 5÷ 6

    13. 3÷ 4 × 8÷ 9 - 1÷ 3

    14. 7 × 5÷ 49 + 3÷ 14

    15. 6 ×( 1÷ 2 + 2÷ 3 )

    16. 8 × 4÷ 5 + 8 × 11÷ 5

    17. 31 × 5÷ 6 – 5÷ 6

    18. 9÷ /7 - ( 2÷ 7 – 10÷ 21 )

    19. 5÷ 9 × 18 – 14 × 2÷ 7

    20. 4÷ 5 × 25÷ 16 + 2÷ 3 × 3÷ 4

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