-0,056 * (-6/13) * 2,6* (-4)
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140 * (-0,08) * 3/4 * (-1,6)
1)-56/1000*(-6/13)=7/125*6/13=
42/1625
2)42/1625*13/5=42/625
3)42/625*(-4)=-168/625
4)140/1*(-8/100)=-56/5
5)-56/5*3/4=-42/5
6)-42/5*(-8/5)=336/25
7)-168/625:336/25=
-168/625*25/336=-1/50 или -0,02