1.6×(-4.5)= -(1,6×4,5)= -7,2
-135.2:(-6.5)= 135,2÷6,5= 20,8
-1 7/8×1 1/3= 15/8×1/3= 5/8
1 2/3: (-3 1/3)= 5/3÷(10/3)= -5/3×3/10= -1/2
1.6×(-4.5)= -(1,6×4,5)= -7,2
-135.2:(-6.5)= 135,2÷6,5= 20,8
-1 7/8×1 1/3= 15/8×1/3= 5/8
1 2/3: (-3 1/3)= 5/3÷(10/3)= -5/3×3/10= -1/2