1. 600*0.003*200 000=360000
2. 5⁻⁹*5⁻⁸/5⁻¹⁵=5⁻¹⁷⁺¹⁵=5⁻²=1/25=0.04
3. 5x+11-(6+2x)=(3-x)-7; 5x+11-6-2x=3-x-7; 4х=-9; х=-9/4=-1.25
4. 560000*1.12=627200(руб.)
5. 5(p+q)²-10pq=5р²+5q²+10pq-10pq=5*(p²+q²)=5*(7+11)=35+55=90
1. 600*0.003*200 000=360000
2. 5⁻⁹*5⁻⁸/5⁻¹⁵=5⁻¹⁷⁺¹⁵=5⁻²=1/25=0.04
3. 5x+11-(6+2x)=(3-x)-7; 5x+11-6-2x=3-x-7; 4х=-9; х=-9/4=-1.25
4. 560000*1.12=627200(руб.)
5. 5(p+q)²-10pq=5р²+5q²+10pq-10pq=5*(p²+q²)=5*(7+11)=35+55=90