Question

Calculeaza :
a) 10.000 cl : 5 - 2000dl :10 = ? l
4.500cl - 4000 ml = ? ml
b) (8 x 10 hl + 6 x 100 dal) : 7 = ? kl
[7 kl + (4 x 550 dal - 2 x 10 hl)] : 9 = ? hl Va rog mult, si transformarile

Answer 1

A) 10000cl:100:5-2000 dl:10:10
=100 l:5-200 l:10
=20 l-20 l
=0 l

4500 cl x10-4000 ml
=45000 ml-4000 ml
=41000 ml

B) (8x10 hl:10+6x100 dal:100):7
=(8 kl+6kl):7
=14 kl:7
=2 kl


[7 klx10+(4x550 dal:10-20hl)]:9
=[70 hl+(220 hl-20 hl)] :9
=(70 hl+200 hl) :9
=270 hl :9
=30 hl