Question

Mater
2. Efectuați:
a) 102. [4 +5 - 32 – 25 + 43. (49 – 32): 23];
b) [(294 : 23 • (26 + 2%) – 46 : 210] : (228 – 22) +9.
-
72

Answer 1

Răspuns:

a)100[4+5•9-32+2⁶(49-9):2³]

100[4+45-32+2⁶•40:2³]

100[4+45-32+2³•40]

100[4+45-32+8•40]

100[4+45-32+320]

100•337

33700

b) [2²⁴:2³•2•2⁶-2¹²:2¹⁰]:(2²⁸-4)+9

(2²⁸-2²):(2²⁸-4)+9

(2²⁸-4):(2²⁸-4)+9

1+9

10

Answer 2

10^2•[4+5•3^2-2^5+4^3•(49-3^2):2^3]
100•[4+5•3^2-32+64•(49-9):8]
100•[4+5•9-32+64•40:8]
100•[4+45-32+2 560:8]
100•[49-32+320]
100•[17+320]
100•337
33 700