a= 18*5+36*5-4*5 b=6*9+6*5-6
a=5*(18+36-4) b=6*9+6*5-6*1
a=5*50 b=6*(9+5-1)
a=250 b=6*13
b=78
a)18.5+36.5-4.5
=(18+36-4).5
=(44-4).5
=40.5
=200
b)6.9+6.5-6
=6.(9+5-1)
=6.(14-1)
=6.13
=78
a) 18 * 5 + 36 * 5 - 4 * 5
= 5 * (18 + 36 - 1)
= 5 * 53
= 265
b) 6 * 9 + 6 * 5 - 6
= 6 * (9 + 6 - 1)
= 6 * 14
= 84
a, 18*5+36*5-4*5 b , 6*9+6*5-6
= 5 * (18+36-4) = 6*9 + 6*5 - 6*1
= 5 * 50 =6*(9+5-1)
= 250 = 6*13
= 78
a)18*5+36*5-4*5 b)6*9+6*5-6*
=(18+36-5)*5 =6*9+6*5-6*1
=49*5 =6*(9+5-1)
=245 =6*13
=78
a )18 * 5 + 36 * 5 - 4*5 b , 6 *9 + 6*5 - 6 *
= ( 18+36-4)*5 = 6*9+6*5-6*1
= 50 *5 = 6 * ( 9+5-1)
= 250 = 6* 13
= 78