Question

Va rog rapiddd 50 puncte​

Answer 1

Răspuns:

a) 8900-3687+2703-4622

=5213+2703-4622

=7916-4622

=3294

b)2385+(1927-688)+2020

=2385+1239+2020

=3624+2020

=5644

c)4200-589-(6497-5099+1430)+3999

=4200-589-(1398+1430)+3999

=4200-589-2828+3999

=3611-2828+3999

=783+3999

=4782

d)8+9x9-8

=8+81-8

=81

e)2400+(345x10-23x67)

=2400+(3450-1541)

=2400+1909

=4309

f)9567-6x(456x3-24x12)+3010

=9567-6x(1368-288)+3010

=9567-6x1080+3010

=9567-6480+3010

=3087+3010

=6097

g) (81:9x3+3):(6x4:2+27:9)=

=(9x3+3):(24:2+3)

=(27+3):(12+3)

=30:15

=2

h)100-6x9+(5+5:5-5x5:5)=

100-54+(5+1-25:5)=

100-54+(5+1-5)=

100-54+1=

46+1=

47

i)7x8-4x6:(50:10x2-3x8:6):2:2:1=

56-24:(5x2-24:6):2:2:1=

56-24:(10-4):2:2:1=

56-24:6:2:2:1=

56-4:2:2:1=

56-2:2:1=

56-1:1=

56-1=

55

SPER CA TE AM AJUTAT! coroana??:))