Question

calculeaza respectand ordinea efectuarii operatiilor.
a)6x12+230-5x25
b)3+15x(27+175)
c)4500-2x15-3x19

Answer 1

a)6•12=72;5•25=125;230-125=105;72+105=177
b)27+175=202;15•202=3030;3030+3=3033
c)2•15=30;3•19=57;4500-30=4470;4470-57=4413
sper ca te-am ajutat

Answer 2

a)
$6 \times 12 + 230 - 5 \times 25 = \\ = 72 + 230 - 125 \\ = 302 - 125 \\ = 197$
b)
$3 + 15 \times (27 + 175) = \\ = 3 + 15 \times 202 \\ = 3 + 3030 \\ = 3033$
c)
$4500 - 2 \times 15 - 3 \times 19 = \\ = 4500 - 30 - 57 \\ = 4470 - 57 \\ = 4413$