SUMA 21 A NÚMEROS DE DOS CIFRAS
9 months ago
carmenv
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10 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    19 +21 =

    answer choices

    40

    49

    39

  • Question 2
    30 seconds
    Q.

    26+21=

    answer choices

    57

    46

    47

  • Question 3
    30 seconds
    Q.

    27+21=

    answer choices

    38

    48

    47

  • Question 4
    30 seconds
    Q.

    33+21=

    answer choices

    44

    53

    54

  • Question 5
    30 seconds
    Q.

    39+21

    answer choices

    70

    59

    60

  • Question 6
    30 seconds
    Q.

    40+21=

    answer choices

    61

    71

    70

  • Question 7
    30 seconds
    Q.

    52+21=

    answer choices

    73

    63

    72

  • Question 8
    30 seconds
    Q.

    60+21=

    answer choices

    71

    81

    80

  • Question 9
    30 seconds
    Q.

    71+21=

    answer choices

    90

    91

    92

  • Question 10
    30 seconds
    Q.

    75+21=

    answer choices

    96

    95

    86

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