Question

1. Efectuati:
a) 13 - 3 x 8
b) 53 + 14 : 7 - 5 x 7
c) 18 x 3 - 19 - 34 : 17
d) 72: 6 + 13 - 13 x 2 + 1

2. Calculati:
a) 5² + 25⁰ - 3 x 10
b) 6³ x 5 + 6 x 5³ - 5 x 6
c) 32 x 4 - 4 x 32 + 17 x 3²
d) 12² : 48 - 48 : 24 + 2⁶
e) 99 - 4³ + 625 : 5² - 17 x 2013⁰​

Answer 1

Răspuns:

1. a) 13-3×8= 13-24= -11

b) 53+14:7-5×7=53+14:7-35= 53+2-35=55-35=20

c) 18×3-19-34:17= 54-19-2=35-2=33

d) 72:6+13-13×2+1=72:6+13-26+1=12+ -13+1= -25+1= -26