Răspuns :
a)axb+c=457x8+759==3656+759=4415
b)cxb-a=759x8-457=6072-457=5615
c)bxa+bxc=8x457+8x759=8x(457+759)=8x1216=9728
d)cxb-bxa=759x8-8x759=8x(759-457)=8x302=2416
e)bx(c-a)=8x(759-457)=8x302=2416
f)a+bxc=457+8x759=457+6072=6529
b)cxb-a=759x8-457=6072-457=5615
c)bxa+bxc=8x457+8x759=8x(457+759)=8x1216=9728
d)cxb-bxa=759x8-8x759=8x(759-457)=8x302=2416
e)bx(c-a)=8x(759-457)=8x302=2416
f)a+bxc=457+8x759=457+6072=6529
457x8+759=4415 759x8-457=5615 8x457+8x759=9728 759x8-8x457=2416 8x(759-457)=2416 457+8x759=6529