5-2×(-3+2×(-5)) = 5-2*(-3-10) = 5+6+20 = 31
0,1-2+(2,5-3×7)×2 = 0,1-2+(2,5-21)*2 = 0,1-2+5-42 = -38,9
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5-2×(-3+2×(-5)) = 5-2*(-3-10) = 5+6+20 = 31
0,1-2+(2,5-3×7)×2 = 0,1-2+(2,5-21)*2 = 0,1-2+5-42 = -38,9