Question

4001*8-2009*2+2145
6004*2-640÷16
3009*12+6008*12+720÷18

Answer 1

1) 4001*8-2009*2+2145=32008-4018+2145=27990+2145=30135.

2) 6004*2-640:16=12008-40=11968.

3) 3009*12+6008*12+720:18=36108+72096+40=108204+40=108244.

Ответы: 30.135; 11.968; 108.244.