(2x-4).(3-x) 720 : [ 41-(2x-5)]=22.5 15-x=7-(-2)
720÷[41-(2x+5)]=2²×5
720÷[41-(2x+5)]=2³×5
720 : [ 41 - ( 2x - 5 ) = 2^2 . 5
d) 720:[41-(2x-5)]=2³.5
Tìm x thuộc Z
a. 720 : [ 41 - ( 2x - 5 ) ] = 2^3 . 5
b. ( 3x - 2^4 ) . 7^4 = 2.7^5
720 : [ 41 - (2x - 5) ] = 8 . 5
720:[ 41-(2x-5)]=2mu 3 . 5
720:((5-2x)-(-41))=2^3*5