(1)-1+(+11)-(-8)+(-4)= -1+11+8-4=14
(2)8-2×(-3)-(-4)+(-1/2)=8+6+4-1/2=18-1/2=17.5
(3)-1²-|0.5-2/3|÷1/3×【-2-(-3)²】=-1-|-1/6|*3*(-2-9)=-1+(1/6)*3*11=9/2=4.5
:(1)-1+(+11)-(-8)+(-4)
= -1+11+8-4
=10+8-4
=14
(2)8-2×(-3)-(-4)+(-1/2)
= 8-(-6)+4-1/2
=8+6+4-1/2
=17又1/2
(3)-1²-|0.5-2/3|÷1/3×【-2-(-3)²】
=-1-|1/2-2/3|÷1/3×【-2-9】
=-1-|-1/6|÷1/3×【-11】
=-1-1/6÷1/3×【-11】
=-1-1/6×3×【-11】
=-1-1/2×【-11】
=-1-(-11/2)
=-1+11/2
=9/2
(1) -1+(+11)-(-8)+(-4)=10+8-4=14
(2) 8-2×(-3)-(-4)+(-1/2)=8+6+4-1/2=35/2=17.5
(3) -1²-|0.5-2/3|÷1/3×【-2-(-3)²】=-1-1/6×3×(-11)=-1+11/2=9/2=4.5
(1)原式=-1+11+8-4=14
(2)原式=8+6+4-(1/2)=35/2
(3)原式=-1-(1/6)*3*(-11)=9/2
:(1)-1+(+11)-(-8)+(-4)= 14(2)8-2×(-3)-(-4)+(-1/2)=18-1/2
3-1-1/2*-11=15/2