-5(5-х)-4х=18
-25+5х-4х=18
-25+х=18
х=18-(-25)
х=43
1) А=43*3256=140008
В=34*3256=110704
2)А=4356*56=243936
В=4465*56=250040
3)А=43*32*56=77056
В=32*14*4*43=77056
1)А>В 1-d
2)A<B 2-e
3)A=B 3-в
37 * 15 = 37 * 3 * 5 = 111 * 5 = 555
3 * 7 * 11 * 13 * 37 = (7 * 11 * 13) * (3 * 37) = 1001 * 111 = 111111
74 * 15 = (37 * 2) * (3 * 5) = (37 * 3) * (2 * 5) = 111 * 10 = 1110