Question

Calculati a + b și d-c, unde:
a= {(-25)(-3) - [(-72):(-3) - (-96):(+6)]}:(-21 + 16),
b = (-54 + 23. 7)- 63: (2.32) + (-43 + 32 7) - [(-3)?)? :(-3),
c=(-9.7 +4%) + (-22): (-2) + 6 :(-5.32 + 32.22) şi
d=-62: [(-22) - 3] +(-23 : 3 +52)13 – 82: (-22)3 - (-50 + 24 - 3)2.​

Answer 1

Răspuns:

Explicație pas cu pas:

a=75-(-216+576):(-5)    

a=75-360:(-5)

a=75+72

a=147

b=(-30.3)-63:58/24-370-1

b=-30.3-63x25/58-370-1

b=-303/10-60x25/58-370-1

b=-303/10-1575-370-1

b=-8331/145-370-1

b=-8331/145-371

b=-62126/145b= -428.45

c=(-5.7)+11+6:26.9

c=-5.7+11+6:269/10

c=-57+11+6x10/269

c=-57/10+11+60/269

c=14857/2690c=5.523

d=-62:(-25)+(-23/3+52)x13+82/22x3-(-29)x2

d=-62:(-25)+133/3x13+41/11x3+29x2

d=2.48+1729/3+123/11+58

d=62/25+1729/3+123/11+58

d=534596/825 d=647.99

a+b=147+(-428.45)=147-428.45=-281.45

d-c=647.99-5.523=642.467

sunt corecte daca ecuatiile au fost scrise corect