Răspuns:
1)
c) 10×10≠2×2
100≠4
10/2≠2/10
d) 5×4=2×10
20=20
5/2=10/4
e) 12×12=3×48
144=144
12/3=48/12
f) 14×14=28×7
196=196
14/28=7/14
2)
c) 4x=100
x=100/4
x=25
d) 4x=96
x=96/4
x=24
e) 500x=500
x=500/50x=1
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Răspuns:
1)
c) 10×10≠2×2
100≠4
10/2≠2/10
d) 5×4=2×10
20=20
5/2=10/4
e) 12×12=3×48
144=144
12/3=48/12
f) 14×14=28×7
196=196
14/28=7/14
2)
c) 4x=100
x=100/4
x=25
d) 4x=96
x=96/4
x=24
e) 500x=500
x=500/50x=1