1.

2. Verify the following:(a) 18x 17+-3)1 [18 x 71 18x (3)](b) 5 x 17+-6)]-5 7+5 x (-6)

Answer»

(a)18×[7+(-3)]=[18×7]+[18×(-3)]18×[7-3]=126+[-54]18×4=126-5472=72(b)5×[7+(-6)]=5×7+5×(-6)5×[7-6]=35-305×1=55=5



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