Sumar y restar 20,30,40 a nº de dos cifras
10 months ago
carmenv
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10 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    24+20=

    answer choices

    44

    54

    34

  • Question 2
    30 seconds
    Q.

    36+30=

    answer choices

    46

    56

    66

  • Question 3
    30 seconds
    Q.

    45+40=

    answer choices

    75

    95

    85

  • Question 4
    30 seconds
    Q.

    73+20=

    answer choices

    93

    83

    63

  • Question 5
    30 seconds
    Q.

    52+50=

    answer choices

    102

    112

    92

  • Question 6
    30 seconds
    Q.

    29+60=

    answer choices

    79

    99

    89

  • Question 7
    30 seconds
    Q.

    47+50=

    answer choices

    77

    87

    97

  • Question 8
    30 seconds
    Q.

    34-20=

    answer choices

    4

    24

    14

  • Question 9
    30 seconds
    Q.

    38-20=

    answer choices

    28

    8

    18

  • Question 10
    30 seconds
    Q.

    66-50=

    answer choices

    36

    26

    16

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