а)-4.1-(-1.6+2.32)=-4,1+1,6-2,32= -4.82
б)- 1 5/7 + (-2 1/3 - 1 2/7)= -1 5/7+(-2 1/3)-1 2/7= - 5 1/3
в)(4.6-5.9)+ 1 1/3-(2 2/5-2/3) = 4,6-5,9+1 1/3-2 2/5+2/3= -1,3 -2/5=
= -1,3 - 0,4 = -1,7
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Answers & Comments
а)-4.1-(-1.6+2.32)=-4,1+1,6-2,32= -4.82
б)- 1 5/7 + (-2 1/3 - 1 2/7)= -1 5/7+(-2 1/3)-1 2/7= - 5 1/3
в)(4.6-5.9)+ 1 1/3-(2 2/5-2/3) = 4,6-5,9+1 1/3-2 2/5+2/3= -1,3 -2/5=
= -1,3 - 0,4 = -1,7