Răspuns :
a=88-72=16;b=72-64=8;c=6;=> a-b-c=16-8-6=2; a+3xb+c=16+3x8+6=46; bxc+a=8x6+16=64
a=88-2x4x9= b=9x8-8x8= c=6+3x6-20=
=88-72= =72=64= =6+18-20=
=16 =8 =24-20
=4
a-b-c=16-8-4=4
a+3xb+c=16+3x8+4=16+24+4=44
bxc+a=8x4+16=48
=88-72= =72=64= =6+18-20=
=16 =8 =24-20
=4
a-b-c=16-8-4=4
a+3xb+c=16+3x8+4=16+24+4=44
bxc+a=8x4+16=48