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

  1. 11 + _____ = 42
  2. 30 + _____ = 55
  3. 70 + _____ = 77
  4. 81 + _____ = 124
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

30 Jun 2024, 11:57 AM

Find the following values without a calculator.

  1. 11 + _____ = 42
  2. 30 + _____ = 55
  3. 70 + _____ = 77
  4. 81 + _____ = 124
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