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Calculeaza d) 90+7x[1614-12000:(18-10)]-16

e)44+8x[280:(37-1480:20:37)]:32-7

f) (18x8+56):[50x40:(220-2x60

Va rog repede

Răspuns :

Deeachu
d) 90+7x[1614-12000:(18-10)]-16
    =90+7x(1614-12000:8)-16
    =90+7x(1614-1500)-16
    =90+7x114-16
    =90+798-16
    =888-16
    =872

e) 44+8x[280:(37-1480:20:37)]:32-7
    =44+8x[280:(37-2)]:32-7
    =44+8x(280:35):32-7
    =44+8x8:32-7
    =44+64:32-7
    =44+2-7
    =46-7
    =39

f) (18x8+56):[50x40:(220-2x60)]
    =(144+56):[50x40:(220-120]
    =200:(50x40:100)
    =200:(2000:100)
    =200:20
    =10