Ответы и объяснения

2013-09-03T18:31:50+04:00
1) 9.8*8.2+23.7+6.2*8.2+55.1=80.36+23.7+50.84+55.1=210
2) 9.8*0.7+23.7+6.2*0.7+55.1=6.86+23.7+4.34+55.1=90