1) (-4 2/7+3 3/14)-1 1/2 2)-2 2/ 3/8-2 1/4) 3)-3,15-(4 - вопрос №880174914273314112222382143315412334 от krasilnikovaa98 18.12.2022 04:33

Question

Математика: 1) (-4 2/7+3 3/14)-1 1/2 2)-2 2/ 3/8-2 1/4) 3)-3,15-(4 1/2+3 3/4) буду .

krasilnikovaa98 · Answer

1) (-4 2/7+3 3/14)-1 1/2 = - 2 4/71) - 4 4/14 + 3 3/14 = - 1 1/14 2) - 1 1/14 - 1 7/14 = - 2 8/14 = - 2 4/7  2)-2 2/5-(-3 3/8-2 1/4) = 3 3/51) - 3 3/8 - 2 1/4 = - 3 3/8 - 2 2/8 = - 5 5/82) - 2 2/5 + 5 5/8 = 3 3/5 3)-3,15-(4 1/2+3 3/4) = 11,41) 4 1/2 + 3 3/4 = 4 2/4 + 3 3/4 = 7 5/4 = 8 1/4 = 8,252) - 3,15 - 8,25 = - 11,4...