Пошаговое объяснение:
(-4,36-(2,56)):3-12*(-0,6)=(-6,92):3-(-7,2)=
1) -4.36 - 2.56= - (4.36 + 2.56) = - 6.92
2) 12×(-0.6) = - 12×0.6 = - 7.2
Пошаговое объяснение:
(-4,36-(2,56)):3-12*(-0,6)=(-6,92):3-(-7,2)=
1) -4.36 - 2.56= - (4.36 + 2.56) = - 6.92
2) 12×(-0.6) = - 12×0.6 = - 7.2
3) -6.92÷3 = -6.92/3 = -692/300 = -173 · 4/75 · 4= -173/75 = -2·75 + 23/75 =-2 23/75 4) -2 23/75 - (-7.2) = -2 23/75+ 7.2 = -2 23/75+7 2/10 = 7 2/10 - 2 23/75 = 2 + 7·10/10 - 23 + 2·75/75 = 72/10 - 173/75 = 72·15/10·15 - 173·2/75·2 = 1080/150 - 346/150 = 1080 - 346/150 = 734/150 = 367 · 2/75 · 2 = 367/75 = 4·75 + 67/75 = 4 67/75