Question

calculeaza rapid,folosin proprietatea de asociativitate a adunarii dupa model
Exemplu: 72+28=
=70+2+28=
=70+(2+28)=
=70+30=
=100
De calculat:
a)334+66=
b)127+273=
c)993+2.107=
d)4.675+1.325=
e)35.275+24.725=


​

Answer 1

Răspuns:

a) 334+66=400

b) 127+273=400

c) 993+2107=3000

d)4675+1325=6000

e)35275+24725=6000