Question

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Answer 1

Răspuns:

a) 170

b)7800

c)0

d)64.000

e)4047

f)507

g)43.988

Answer 2

a)17 × 5 × 2

=85 × 2

=170

b)4 × 78 × 25

=312 × 25

=7800

c)1009 × 896 × 8 × 0

=0-->deoarece orice numar inmultit cu 0 da 0

d)125 × 64 × 8

=8000 × 8

=64000

e)73 × 75-28 ×51

=5475-1428

=4047

f)5 × 23+4 × 98

=115+392

=507

g)584 × 82-3900

=47888-3900

=43988

h) 24 ×1001-1000

=24024-1000

=23024

i)2130 × 5200=11076000

j)345+5 × 2

=345+10

=355

k)672-2× 100

=672-200=472 l) 129 × 125-100=16125-100=16025