Question

Ajutați-mă urgent la mate.d)90+7×[1614-12000:(18-10)]:16= e)44+8×[280:(37-1480:20:37)]:32-7= f) (18×8+56):[50×40:(220-2×60)]=​

Answer 1

Răspuns:

d) = 90+7×(1614-12000:8):16=90+7×(1614-1500):16=90+7×114÷16=90+798:16=90+49,875=49,965

e) = 44+8×[280:(37-74:37)]:32-7=44+8×[280:(37-2)]:32-7=44+8×(280:35):32-7=44+8×8:32-7=44+64:32-7=44+2-7=46-7=39

f) =(144+56):[50×40:(220-120)]= 200:(50×40:100)=200:(2000:100)=200:20=10