Question

Вычеслите.
-7/8-(-4 5/12+4/9)
3/16•(-4/15)-11/12:1 5/6

Answer 1

        
-7/8 - (-4 5/12 + 4/9)  = - 7/8 + 4 5/12 - 4/9 = - 7/8 + 53/12 - 4/9 =
= -63/72 + 318/72 - 32/72 = 223/72 = 3 7/72
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3/16 *(- 4/15) - 11/12 : 1 5/6 = - 0,55
1) 3/16 * (- 4/15) = - 1/20 = -0,05
2) 11/12 : 11/6 = 1/2 = 0,5
3) - 0,05 - 0,5 = -0,55