Решить умножение 2/7*(5 1/4) -4 11/2*(-1 1/3) 3,6*(-2/3) -4/7*4,2 -2,8*(-1 1/7) -2 1/3*0,125

2/7 * 21/4 = 3/2 = 1,5
-9/2 * (-4/3) = -3 * (-2) = 6
36/10 * (-2/3) = -12/5 = -2,2
-4/7 * 42/10 = -2 * 6/5 = -12/5 = -2,4
-28/10 * (-8/7) = -4/5 * (-4) = 16/5 = 3,2
-7/3 * 125/1000  = -875/3000 = -175/600 =-35/120 = -7/24