Question
P2.MS.JC.18072023-A1
Find the following values without a calculator.

  1. 12 + _____ = 25
  2. 22 + _____ = 41
  3. 61 + _____ = 71
  4. 86 + _____ = 135
4 m
(a)
∑

Click ∑ button first when a symbol is required. X

(b)
∑

Click ∑ button first when a symbol is required. X

(c)
∑

Click ∑ button first when a symbol is required. X

(d)
∑

Click ∑ button first when a symbol is required. X

Symbols

Enter the numerator and denominator


Enter value


2
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STUDENT

Primary 2 MENTAL SUMS P2.MS.JC.18072023

29 Jun 2024, 11:24 AM

Find the following values without a calculator.

  1. 12 + _____ = 25
  2. 22 + _____ = 41
  3. 61 + _____ = 71
  4. 86 + _____ = 135
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