Question
P2.MS.JC.18072067-A1
Find the following values without a calculator.

  1. 1 - 12 = _____
  2. 33 - 13 = _____
  3. 1011 - 111 = _____
3 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

Symbols

Enter the numerator and denominator


Enter value


2
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STUDENT

Primary 2 MENTAL SUMS P2.MS.JC.18072067

18 Jun 2024, 12:53 AM

Find the following values without a calculator.

  1. 1 - 12 = _____
  2. 33 - 13 = _____
  3. 1011 - 111 = _____
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