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23 March, 21:30

Use mental math to find the sum of 43 and 57

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Answers (2)
  1. 23 March, 22:34
    0
    100

    Step-by-step explanation:

    43+57=100

    I added 3+7=10

    Then 40+50=90 and added them

    90+10=100
  2. 24 March, 01:11
    0
    Answer: 100

    Step-by-step explanation:

    You know that 3+7=10

    You know that 40+50=90

    90+10=100
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