Question

упростите:39b+5x+b-18b
-327,159÷56,7=?
-12,9+(-0,0525)=?
-4-(-3,2)=?

Answer 1

1) -327,159:56,7 = -(327,159:56,7) = -5,77
2) -12,9+( -0,0525) = -12,9-0,0525 = -(12,9+0,0525) = -12,9525
3)-4-(-3,2) = -4+3,2 = -0,8

Answer 2

а и ещё 39b+5x+b-18b = 22b+5x