Question

Calculati
a)3^3+2:(5^2-2^3)=
b)4+10×(15+7×8)=
c)4,5×0,2+36:10-0,004×100=
d)1,5×0,4+2×(3,6-12×2)=
rapid am nevoie
dau coroana​

Answer 1

Răspuns:

a)3³+2:(5²-2³)=

27+2:(25-8)=

27+2:17=

27`¹⁷+ 2/7=

459/17+2/17=461/17

b)4+10×(15+7×8)=

4+10×(15+56)=

4+10×71=

4+710=714

c)4,5×0,2+36:10-0,004×100=

0,9+3,6-0,4=

4,5-0,4=4,1

d)1,5×0,4+2×(3,6-12×2)=

0,6+2(-20,4)=

0,6-40,8=40,2=402/100

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