Question

5. Calculati in doua moduri : 
a) 17x(105+95)
b)(24+16)x15
c)32x(47-37)
d)(257-17)x10
e)1024x379+1024x121-1024x450
f)(111+222+333+444):111+10

Answer 1

(17*105)+(17*95)e1785+1615e3400
(15*24)+(15*15)e360+240e600
(32*47)-(32*37)e1504-1182e320
(10*257)-(10*17)e2570-170e2400


(1024*379)+(1024*121)-(1024*450)e388096+123904e512000-460800e51200
primul mod socotesti asa cum le ai tu scrise iar al doilea mod cum ti le-am scris eu ,e care l-am pus eu inseamna egal,sper sa-ti fiu de ajutor