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Danielanghel504
a fost răspuns

A) 195-6×[(4+2×13)-3×9+17]

B) 5×(4+3×7)-2×{5+2×[10-3×(14-3×4)]}

C) {30+10×[207-6×(28+28:7)]}:10-1

D) 300-6×[(2²+2×13)-3×3²+17]


Va rog din tot sufletul meu

Răspuns :

TheAlex1120

Răspuns:

195-6×[(4+26)-27+17]=195-6×(30-27+17)=195-6×20=195-120=75

5×(4+21)-2×{5+2×[10-3×(14-12)]}=5×25-2×[5+2×(10-3×2)]=125-2×[5+2×(10-6)]=125-2×(5+2×4)=125-2×(5+8)=125-2×13=125-26=99

30+10×[207-6×(28+4):10-1]=30+10×(207-6×32):10-1=30+10×(207-192):10-1=30+10×15:10-1=30+150:10-1=30+15-1=45-1=44

La d nu prea stiu

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