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Calculati a+b,a-b,a*b si a:b
a=(650-12*50)*(14100-9400):235
b=(90*70-70*50-50*30-30*10):2

Răspuns :

Anamariaangel
a=(650-600)*4700:235=50*4700:235=235000:235=1000
b=(6300-3500-1500-300):2=1000:2=500
a+b=1000+500=1500
a-b=1000-500=500
a*b=1000*500=500000
a:b=1000:500=2

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