Ответ:
№944
1. 175x+25+25x=200x+25
1) 200*10+25=2000+25=2025
2) 200*100+25=20000+25=20025
3) 200*1000+25=200000+25=200025
2. 443x-343x-18=100x-18
1) 100*10-18=1000-18=982
2) 100*100-18=10000-18=9982
3) 100*1000-18=100000-18=99982
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Answers & Comments
Ответ:
№944
1. 175x+25+25x=200x+25
1) 200*10+25=2000+25=2025
2) 200*100+25=20000+25=20025
3) 200*1000+25=200000+25=200025
2. 443x-343x-18=100x-18
1) 100*10-18=1000-18=982
2) 100*100-18=10000-18=9982
3) 100*1000-18=100000-18=99982