Mental Sums, p19 and solution p75
3. Equation should have been 3 x 7 – 21 = 5, not =-5.
5. Sequence had two possible solutions: 24 and 25.
Thank you to L Vee from Qld for alerting us to these errors.
3. Equation should have been 3 x 7 – 21 = 5, not =-5.
5. Sequence had two possible solutions: 24 and 25.
Thank you to L Vee from Qld for alerting us to these errors.
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