1.

Do these in your head:(i) (12 × (−7)) + (8 × (−7))(ii) (29 × (−2)) + (21 × (−2))(iii) (iv) (v) (1.5 × (−9)) + (0.5 × (−9))(vi) (3.4 × (−7)) + (0.6 × (−7))(vii) (4 × (−0.19)) + (6 × (−0.19))

Answer»

Do these in your head:



(i) (12 × (−7)) + (8 × (−7))



(ii) (29 × (−2)) + (21 × (−2))



(iii)



(iv)



(v) (1.5 × (−9)) + (0.5 × (−9))



(vi) (3.4 × (−7)) + (0.6 × (−7))



(vii) (4 × (−0.19)) + (6 × (−0.19))



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