Question

как решить пример 0.25+1/12:(1/3*1.25-9/16)

Answer 1

0,25 + 1/12: (1/3*1,25-9/16) = -25/28
1) 1/3 * 1,25 = 1/3 * 125/100 = 1/3 * 5/4 = 5/12
2) 5/12 - 9/16 = 20/48 - 27/48 = -7/48
3) 1/12 : (-7/48) = -4/7
4) 0,25 + (-4/7) = 25/100 - 4/7 = 1/4 - 4/7 = 7/28 - 16/28 =  -25/28