Question

3. Calculaţi: a) 25 + 63 d) 14²-10²-8² ; g) 50+5¹+5²; b) 5²-3²; e) 25-2³+90; h) 4³-3³+50; c)2³+2⁴+2¹; f)7³-14²-7¹; i)2³+5³+2•3


am nevoie!!!!pt. scoala​

Answer 1

Răspuns:

Explicație pas cu pas:

a) 25 + 63 =88

d) 14²-10²-8²=196-100-64=96-64=32

g) 50+5¹+5²=50+5+25=55+25=80

b) 5²-3²=25-9=16

e) 25-2³+90=25-8+90=17+90=107

h) 4³-3³+50=64-8+50=56+50=106

c)2³+2⁴+2¹=8+16+2=24+2=26

f)7³-14²-7¹=343-196-7=147-7=140

i)2³+5³+2•3=8+125+6=133+6=139