Բաժանում եռանիշ թվի վրա

451.6666:202=33

4515:301=15

452.26404:82=322

108=2286:204944

3328:32=1042

222=113 222:51

453.26404:5037=322

3021=7486-4867

15004=11231+5371

51963′-305=52001

10002=4976+5030

70486-65872=5200

456.

12-8=4

320:4=801

2×80=960

8×80=640

457.

7-5=2

340×7=2280

340×5=1700

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