Question

completeaza casetele cu numerele potrivite .Ex 8 dau coroana

Answer 1

9 : 2 = 4 rest 1

17 : 2 = 8 rest 1

15 : 4 = 3 rest 3

9 : 6 = 1 rest 3

20 : 6 = 3 rest 2

43 : 7 = 6 rest 1

Answer 2

9:a=4r1=>9=4a+1=>9-1=4a=>a=8:4=>a=2

15:a=3r3=>15=3a+3=>15-3=3a=>a=12:3=>a=4

a:6=3r2=>a=6x3+2=>a=20

a:2=8r1=>a=2x8+1=>a=17

9:6=1 rest 3

43:7=6 rest 1