Question

312. Calculează prin scăderea repetată a aceluiași număr, după model. De 4 ori 9:2-9-2-2 -2 -2 = 1 9:24, rest 1 a) 9:4; b) 7:2; 5:2; 6:4; c) 8:3; 9:5; d) 7:3; 7:6.​

Answer 1

Răspuns:

a) 9:4=9-4-4=1

9:4=2 rest 1

5:2=5-2-2=1

5:2=2 rest 1

b) 7÷2=7-2-2-2=1

7:2=3 rest 1

6:4=6-4=2

6:4=1 rest 2

c) 8:3=8-3-3=2

8÷3= 2rest 2

9:5=9-5=4

9:5=1 rest 4

d) 7:3=7-3-3=1

7:3=2 rest 1

7:6=7-6=1

7:6=1 rest 1

Answer 2

a) 9:4 —> 9-4-4=1

9:4 —> 2, rest 1

5:2 —> 5-2-2=1

5:2 —> 2, rest 1

b) 7:2 —> 7-2-2-2=1

7:2 —> 3, rest 1

6:4 —> 6-4=2

6:4 —> 1, rest 2

c) 8:3 —> 8-3-3=2

8:3 —> 2, rest 2

9:5 —> 9-5=4

9:5 —> 1, rest 4

d) 7:3 —> 7-3-3=1

7:3 —> 2, rest 1

7:6 —> 7-6=1

7:6 —> 1, rest 1