(-1)^2009+(-3)*|-3/9|--4^3÷(-2)-2^2 +3/4+|-3--4|--(3/2)^3 *25/27

问题描述:

(-1)^2009+(-3)*|-3/9|--4^3÷(-2)
-2^2 +3/4+|-3--4|--(3/2)^3 *25/27

(-1)^2009+(-3)*|-3/9|-(-4^3)÷(-2)
=-1+(-3)*|-1/3|-4^3÷2
=-1+(-1)-32
=-2-32
=-34
-2^2 +3/4+|-3--4|-【-(3/2)^3】 *25/27
=-4+3/4+|-3+4|-(-27/8)*25/27
=-4+3/4+1+27/8*25/27
=-9/4+25/8
=-18/8+25/8
=7/8

(-1)^2009+(-3)*|-3/9|--4^3÷(-2)
=-1+(-3)*(1/3)+64/2
=-1-1+32
=-2+32
=30
-2^2 +3/4+|-3--4|--(3/2)^3 *25/27
=-4+3/4+7-27/8*25/27
=-4+21/4-25/8
=-4+17/8
=-15/8

(-1)^2009+(-3)*|-3/9|--4^3÷(-2)
=-1-1-64÷(-2)
=-2+32
=30
-2^2 +3/4+|-3--4|--(3/2)^3 *25/27
=-4+21/4-27/8×25/27
=-4+21/4-25/8
=-4+17/8
=-15/8

=-1+1+6=6
=-4+0.75+7+27/8*25/27=6.875