Question

369. Calculează rapid.​

Answer 1

Răspuns:

a) 10,4,40,1

b)3,30,0,1

c)120,15,2,6000

Answer 2

Răspuns:

La a) 100:10=10. 40:10=4 400:10=40 100:100=1

b) 30x10:100=3 3x100:10=30 100:10x10=100 10x10:100 =1

c) 30x40:10=120 5x30:10=15 4x50:100=2 60x100:1=6000