Объяснение:
b) ((37+23)(37-23))/((47+13)(47-13))=(60*14)/(60*34)=7/17
c) 26+17=43
e) ((49-29)(49+29)+(22+2)(22-2))/((65-45)(65-45))=(20*78+24*20)/(20*20)=(20*102)/(20*20)=102/20=5,1
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Объяснение:
b) ((37+23)(37-23))/((47+13)(47-13))=(60*14)/(60*34)=7/17
c) 26+17=43
e) ((49-29)(49+29)+(22+2)(22-2))/((65-45)(65-45))=(20*78+24*20)/(20*20)=(20*102)/(20*20)=102/20=5,1