根据有理数的加减混合运算:
a=-123.4-(-123.5)=0.1,
b=123.4-123.5=-0.1,
c=123.4-(-123.5)=246.9,
∵246.9>0.1>-0.1,
∴c>b>a.
故选A.
a=-123.4-(-123.5),b=123.4-123.5,c=123.4-(-123.5),则( ) A.c>b>a B.c>a>b C.a>b>c D.b>c>a
a=-123.4-(-123.5),b=123.4-123.5,c=123.4-(-123.5),则( )
A. c>b>a
B. c>a>b
C. a>b>c
D. b>c>a
A. c>b>a
B. c>a>b
C. a>b>c
D. b>c>a
数学人气:129 ℃时间:2019-11-01 06:32:19
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