(1)-6+10-3+负9的绝对值 (2)(-5.3)+(-3.2)-(-2.5)—负5.7的绝对值
(3)(+1又3/4)-5/6-1又1/6+1/2(4)0-(+1/6)-(-1/4)-(+1/3)-(-1/2)谢谢合作!格式要对!...
(3)(+1又3/4)-5/6-1又1/6+1/2 (4)0-(+1/6)-(-1/4)-(+1/3)-(-1/2)
谢谢合作!格式要对! 展开
谢谢合作!格式要对! 展开
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(1)-6+10-3+负9的绝对值
=-4-3+9
=-7+9
=-2
(2)(-5.3)+(-3.2)-(-2.5)—负5.7的绝对值
=-5.3-3.2+2.5-5.7
=-6-5.7
=-11.7
(3)(+1又3/4)-5/6-1又1/6+1/2
=1又3/4-2+1/2
=-1/4+1/2
=1/4
(4)0-(+1/6)-(-1/4)-(+1/3)-(-1/2)
=-1/6+1/4-1/3+1/2
=-2/12+3/12-4/12+6/12
=3/12
=1/4
=-4-3+9
=-7+9
=-2
(2)(-5.3)+(-3.2)-(-2.5)—负5.7的绝对值
=-5.3-3.2+2.5-5.7
=-6-5.7
=-11.7
(3)(+1又3/4)-5/6-1又1/6+1/2
=1又3/4-2+1/2
=-1/4+1/2
=1/4
(4)0-(+1/6)-(-1/4)-(+1/3)-(-1/2)
=-1/6+1/4-1/3+1/2
=-2/12+3/12-4/12+6/12
=3/12
=1/4
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(1)-6+10-3+负9的绝对值
=-4-3+9
=-7+9
=-2
(2)(-5.3)+(-3.2)-(-2.5)—负5.7的绝对值
=-5.3-3.2+2.5-5.7
=-6-5.7
=-11.7
(3)(+1又3/4)-5/6-1又1/6+1/2
=1又3/4-2+1/2
=-1/4+1/2
=1/4
(4)0-(+1/6)-(-1/4)-(+1/3)-(-1/2)
=-1/6+1/4-1/3+1/2
=-2/12+3/12-4/12+6/12
=3/12
=1/4
=-4-3+9
=-7+9
=-2
(2)(-5.3)+(-3.2)-(-2.5)—负5.7的绝对值
=-5.3-3.2+2.5-5.7
=-6-5.7
=-11.7
(3)(+1又3/4)-5/6-1又1/6+1/2
=1又3/4-2+1/2
=-1/4+1/2
=1/4
(4)0-(+1/6)-(-1/4)-(+1/3)-(-1/2)
=-1/6+1/4-1/3+1/2
=-2/12+3/12-4/12+6/12
=3/12
=1/4
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(1)-6+10-3+负9的绝对值=8 2)(-5.3)+(-3.2)-(-2.5)—负5.7的绝对值=0。3 =(3)(+1又3/4)-5/6-1又1/6+1/2 =1/4
(4)0-(+1/6)-(-1/4)-(+1/3)-(-1/2)
=1/4
(4)0-(+1/6)-(-1/4)-(+1/3)-(-1/2)
=1/4
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第一题应为1+9=10
第二题应为6-5.7=0.3
第三题和第四题均为1/4
第二题应为6-5.7=0.3
第三题和第四题均为1/4
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