👤

la ex 7.Va rog urgent!​

La Ex 7Va Rog Urgent class=

Răspuns :

Răspuns:

a)(19+81)x(27+33)=100x60=6000

[1000+(1000-1000:10)]:100×1=[1000+(1000-100)]:100×1

(1000-900):100×1

100:100×1

100:100=1

b)32×(25+35:5)-24

32×(25+7)-24

32×18-24

576-241

552

100+[24×(100+100:10)]:10

100+[24×(100+10)]:10

100+(24×110):10

100+2640:10

100+264

364

Răspuns:

Explicație pas cu pas:

(19+81)·(27+33):30 ? [1000+(1000-1000:10)]:100·1

100·60:30 ? (1000+900):100

200 > 19

32·(35+25:5)-24 ? 100+[24·(100+100:10)]:10

32·40-24 ? 100+(24·110):10

1256  >364