Ответ:
27(18-3x)=324
18-3x= 324:27
18-3x=12
3x= 18 -2
3x=-6
x=6:3
x=2
560 : (x-24)=14
x-24= 560 :14
x-24=40
x=40 +24
x=64
12^3 -12^2 = 12^2( 12-1)= 144 *11=1584
156*412 +588*156= 156(412+588)= 156 *1000= 156000
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Ответ:
27(18-3x)=324
18-3x= 324:27
18-3x=12
3x= 18 -2
3x=-6
x=6:3
x=2
560 : (x-24)=14
x-24= 560 :14
x-24=40
x=40 +24
x=64
12^3 -12^2 = 12^2( 12-1)= 144 *11=1584
156*412 +588*156= 156(412+588)= 156 *1000= 156000