December 2021 0 7 Report
Вычислите наиболее рациональным способом: а) 3.17+10.2+0.83+9.8=?
б) 4.11+15.5+0.89+4.4=?
в) 15.21-3.9-4.3+6.79=?
г) -4.27+3.8-5.73-3.3=?
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