Question 22
Which of the following is an example of distributive property of multiplication over addition for rational numbers. (a) −14×{23+(−47)}=[−14×23]+[−14×(−47)] (b) −14×{23+(−47)}=[14×23]−(−47) (c) −14×{23+(−47)}=23+(−14)×−47 (d) −14×{23+(−47)}={23+(−47)}−14
(1) 42 + 24 − 32
(2) 33 − 22 + 20
(3) 53 − 22 + 40
(4) 61 + 50 − 41
(5) (−2)2 + 12 − 22