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1./=supra
a) 6/5×1,1 =?
b) -1,4×(-3/2)=?
c) 16/10×(-3/7)=?
d) 1/2×(-4,6)= ?
e) -1/4×1,2=?
f) -1/5×(-3,5)=?
Dau coroana


Răspuns :

a)6/5 x 11/10=66/50=33/25
b)(-14/10) x (-3/2)=42/20=21/10=2,1
c)16/10 x (-3/7)=(-48/70)=(-24/35)
d)1/2 x (-46/10)=(-46/20)=(-23/10)=(-2,3)
e)(-1/4) x 12/10=(-12/40)=(-3/10)=(-0,3)
f)(-1/5) x (-35/10)=35/50=7/10=0,7