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Calculeaza:
a) [(1456+4579)-2859:3]X10=

b) [(975:5)+(421111-421086)]:(27590-27580)=

c) 70.000-(57700:100 +32X41:4:8+1382):1000=

d) 820034-[(328342-263127)X11]+7059X48=


Răspuns :

a) [(1456+4579)-2859:3]x10=
(6035-953)×10=
6988x10=69 880


b)[(975:5)+(421 111-421086)]:(27590-27580)=
[195+25]:10=
170:10=17. 1382


c)70000-(57700:100+32×41:4:8+1382):1000=

70 000-(577+41+1382):1000=
70000-2000:1000=
70000-2=69 998


d)820 034-[(328 342-263 127)×11]+7 059x48=
820 034-[65 215x11]+338 832=
820 034-717 365+338 832=
102 669+338 832=441 501