<p><strong>а)</strong> 40 000 + 4000 + 900 + 50 + 7 = <strong>44 957</strong></p>
<p><strong>б)</strong> 6 000 000 + 40 000 + 2000 + 600 + 1 = <strong>6 042 601</strong></p>
<p><strong>в)</strong> 700 000 + 9000 + 300 + 20 = <strong>709 320</strong></p>
<p><strong>г)</strong> 2000 + 900 + 5 = <strong>2905</strong></p>