Question

este urgent, va rog sa o rezolvați,mulțumesc! ​

Answer 1

a)10x(37+13)
10x50=500
10x37+10x13=500

100x(5+12)
100x17=1700
100x5+100x12=1700

10x(7+93)
10x100=1000
10x7+10x93=1000

b) 100x(82+18)
100x100=10000
100x82+100x18=10000

5x(223+777)
5x1000=5000
5x223+5x777=5000

93x(7+3)
93x10=930
93x7+93x3=930

(25+75)x1
100x1=100
25x1+75x1=100

c)25x(7-3)
25x4=100
25x7-25x3

100x(93-33)
100x60=6000
100x93-100x33=6000

20x(975-970)
20x5=100
20x975-20x970=100

3x(870-870)
3x0=0
3x870-3x870=0