1) -0,4+(-1/6) 2)-0,25+(-3/8) 3)-4,125+(-5/12); - вопрос №1002533410416202538341255124675871251113 от mak57 22.12.2020 23:24

Question

Математика: 1) -0,4+(-1/6) 2)-0,25+(-3/8) 3)-4,125+(-5/12); 4) -6,75+(-8 7/12); 5) -11 1/3+(9,5); 6) -7 1/6+(-9,375); 7)-0,75+(-5 5/6); 8) -0,8+(-4 3/7); 9)-6 1/6+(-17,375). ​

mak57 · Answer

ответ: [tex]1) - 0.4 + ( - rac{1}{6} ) = - rac{4}{10} - rac{1}{6} = \ - rac{12}{30} - rac{5}{30} = - rac{17}{30} [/tex][tex]2) - rac{25}{100} - rac{3}{8} = - rac{1}{4} - rac{3}{8} = \ - rac{2}{8} - rac{3}{8} = - rac{5}{8} [/tex][tex]3) - 4.125 + ( - rac{5}{12} ) = \ - 4 rac{125}{1000} - rac{5}{12} = - 4 rac{1}{8} - rac{5}{12} = [/tex][tex] = - 4 rac{3}{24} - rac{10}{24} = - 4 rac{13}{24} [/tex]остальное сам решай...

1) -0,4+(-1/6) 2)-0,25+(-3/8) 3)-4,125+(-5/12); 4) -6,75+(-8 7/12); 5) -11 1/3+(9,5); 6) -7 1/6+(-9,375); 7)-0,75+(-5 5/6); 8) -0,8+(-4 3/7); 9)-6 1/6+(-17,375). ​

1) -0,4+(-1/6) 2)-0,25+(-3/8) 3)-4,125+(-5/12); 4) -6,75+(-8 7/12); 5) -11 1/3+(9,5); 6) -7 1/6+(-9,375); 7)-0,75+(-5 5/6); 8) -0,8+(-4 3/7); 9)-6 1/6+(-17,375).