Question
P2.MS.JC.18072027-A1
Find the following values without a calculator.

  1. 1 + 7 + 2 = _____
  2. 2 + _____ + 1 = 13
  3. 17 - 6 - 1 = ______
  4. _____ - 7 - 1 = 9
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.18072027

03 Jul 2024, 12:18 AM

Find the following values without a calculator.

  1. 1 + 7 + 2 = _____
  2. 2 + _____ + 1 = 13
  3. 17 - 6 - 1 = ______
  4. _____ - 7 - 1 = 9
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