18 - 3 = 15
5 + 7 = 12
So:
3 [( 18 - 3 ) + 4 ( 5 + 7 )] = 3 [ ( 15 + 4 ( 12 ) ] =
3 ( 15 + 48 ) =
3 63 = 189
can you check if right?
3 [(18-3) + 4 (5 +7)]
i got
93
1 answer
3 [(18-3) + 4 (5 +7)]
i got
93
1 answer