Răspuns :
Răspuns:
a) 2,4×4,2-3,2:4/5
=10,08-0,8÷5
=10,08-0,16
=9,92
b)4,5+31/10×2,6
=4,5+3,1×2,6
=4,5+8,06
=12,56
c) 34,5+9,11-9,2:6,4+3,1
=34,5+9,11-92:64+3,1
=34,5+9,11-1,4375+3,1
=43,61-1,4375+3,1
=42,1725+3,1
=45,2725
Răspuns:
a) 2,4×4,2-3,2:4/5
=10,08-0,8÷5
=10,08-0,16
=9,92
b)4,5+31/10×2,6
=4,5+3,1×2,6
=4,5+8,06
=12,56
c) 34,5+9,11-9,2:6,4+3,1
=34,5+9,11-92:64+3,1
=34,5+9,11-1,4375+3,1
=43,61-1,4375+3,1
=42,1725+3,1
=45,2725