Răspuns:
100×5=500
34
×
10
=
340
34×10=340
9
×
8
=
72
9×8=72
10
×
9
=
90
10×9=90
88
×
10
=
880
88×10=880
25
×
10
=
250
25×10=250
87
×
10
=
870
87×10=870
100
×
100
×
8
=
80
,
000
100×100×8=80,000
92
×
100
=
9200
92×100=9200
8
×
100
=
800
8×100=800
10
×
9
=
90
10×9=90