Вычислить:
(46225:12+412335:260514+800:122831)⋅0,8⋅7,2⋅4,5⋅1,36,5⋅2,7⋅1,92.
Решение:
(46225:12+412335:260514+800:122831)⋅0,8⋅7,2⋅4,5⋅1,36,5⋅2,7⋅1,92=66.
1)46225:12=115225⋅112=1152⋅125⋅12=96⋅125⋅1=9625=32125;
2)412335:260514=145835⋅143645=1458⋅1435⋅3645=2⋅25⋅5=425;
3)800:122831=8001⋅31400=800⋅311⋅400=2⋅311⋅1=621=62;
4)32125+425=3+2125+425=3+21+425=3+2525=3+1=4;
5)62+4=66;
6)0,8⋅7,2⋅4,5⋅1,36,5⋅2,7⋅1,92=1⋅7,2⋅5⋅15⋅3⋅2,4=1⋅3⋅1⋅11⋅3⋅1=33=1;
7)66⋅1=66.
Ответ: 66.
(46225:12+412335:260514+800:122831)⋅0,8⋅7,2⋅4,5⋅1,36,5⋅2,7⋅1,92=66.
1)46225:12=115225⋅112=1152⋅125⋅12=96⋅125⋅1=9625=32125;
2)412335:260514=145835⋅143645=1458⋅1435⋅3645=2⋅25⋅5=425;
3)800:122831=8001⋅31400=800⋅311⋅400=2⋅311⋅1=621=62;
4)32125+425=3+2125+425=3+21+425=3+2525=3+1=4;
5)62+4=66;
6)0,8⋅7,2⋅4,5⋅1,36,5⋅2,7⋅1,92=1⋅7,2⋅5⋅15⋅3⋅2,4=1⋅3⋅1⋅11⋅3⋅1=33=1;
7)66⋅1=66.
Ответ: 66.
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