Question

1) Calculeaza: a) 4x4:2:2x3:6= b) 6x6:4:3x6:2= c) 2x6:3x6:3x9= d) 9x4:4x1x5:3= e) 3x6:2:3x1x8:4:6= f)32:8x6:3:4x9= g) 40:8x4:2x3:6= h) 60:6:2x8:10x7= i) 45:5:3x8:6x9= j) 16:4x5:10x9:x0:7=

Answer 1

a)
4·4:2:2·3:6=
=16:2:2·3:6
=8:2·3:6
=4·3:6
=12:6
=2

b)
6·6:4:3·6:2=
=36:4:3·6:2
=9:3·6:2
=3·6:2
=18:2
=9

c)
2·6:3·6:3·9=
=12:3·6:3·9
=4·6:3·9
=24:3·9
=8·9
=72

d)
9·4:4·1·5:3=
=36:4·1·5:3
=9·1·5:3
=9·5:3
=45:3
=15

e)
3·6:2:3·1·8:4:6=
=18:2:3·1·8:4:6
=9:3·1·8:4:6
=3·1·8:4:6
=3·8:4:6
=24:4:6
=6:6
=1

f)
32:8·6:3:4·9=
=4·6:3:4·9
=24:3:4·9
=8:4·9
=2·9
=18

g)
40:8·4:2·3:6=
=5·4:2·3:6
=20:2·3:6
=10·3:6
=30:6
=5

h)
60:6:2·8:10·7=
=10:2·8:10·7
=5·8:10·7
=40:10·7
=4·7
=28

i)
45:5:3·8:6·9=
=9:3·8:6·9
=3·8:6·9
=24:6·9
=4·9
=36

j)
16:4·5:10·9·0:7=
=4·5:10·9·0:7
=20:10·9·0:7
=2·9·0:7
=18·0:7
=0:7
=0

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