Question

14. Calculaţi:
a) [(2-7)20 : (-2)¹8] : 719; Mb) (-12)30: (260.328);
d) (-6)43: (240.342);
2
c) [(-2) ¹5- (-3)30] : 18¹5;
e) [24² · (−3)²¹ · (-5)²¹] : 60²¹; f) 10040 : [(-2) 8⁰ (-5).

Answer 1

Răspuns:

a) 2⁴⁰:2³⁸

2²

=4

b) 9³⁵:(-3⁶⁹)

-3⁷⁰:3⁶⁹

=3

c) -5²³:5²¹

-5²

-25

d) 16¹⁰:(-8¹³)

-2⁴⁰:2³⁹

-2

e) 9³⁰:3⁶⁰

3⁶⁰:3⁶⁰

=1

f) 4²⁰:4¹⁸

4²

=16