Question

a69. Calculează rapid. a) 100: 10; 40: 10 400: 10; 100: 100; b) 30 x 10 : 100; 3 x 100: 10; 100: 10 x 0; 10 x 10 : 100; c) 30 x 40: 10 5x 30: 10 4* 50: 100 60 x 100: 1​

Answer 1

Răspuns:

100:10=10

40:10=4

400:10=40

100:100=1

30×10:100=300:100=30

3×100:10=300:10=30(cred)

100:10×0=10×0=0

10×10:100=100:100=1

30×40:10×5×30:10=1200:50×3=24×3=72

de la 4 in colo nu stiu

Answer 2

10 4 40 1 3 30 0 1 120 15 2 6000