1.

Can’t you do these in your head?(i) (13 × 8) + (7 × 8)(ii) (15 × 9) + (5 × 9)(iii) (iv)

Answer»

Can’t you do these in your head?



(i) (13 × 8) + (7 × 8)



(ii) (15 × 9) + (5 × 9)



(iii)



(iv)



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