( 4又1 81 2 03又16又1 75又

2021-04-18 04:35:08 字數 1814 閱讀 7536

1樓:我不是他舅

=-4.875-|1.125|-3又1/3+(6又1/7-5又1/7)

=-(4.875+1.125)-3又1/3+1=-6-3又1/3+1

=-8又1/3

6又4/7-3又3/7×0.125+1/2×3又3/7+3又3/7×5/8等於多少?

2樓:匿名使用者

6又bai4/7-3又du3/7×

zhi0.125+1/2×dao3又版3/7+3又3/7×5/8=6又4/7-3又3/7×1/8+1/2×3又3/7+3又3/7×5/8

=6又4/7+3又3/7×(權1/2+5/8-1/8)=6又4/7+3又3/7×1

=6又4/7+3又3/7=10

3樓:匿名使用者

=46/7-24/7x1/8+1/2x24/7+24/7x5/8

=46/7-3/7+12/7+15/7

=70/7=10

計算題10題:(1)-8又3/4-5又7/9+4又1/6-3又2/9 懸賞30分

4樓:新野旁觀者

計算題10題:

(1)-8又3/4-5又7/9+4又1/6-3又2/9

=(-8又3/4+4又1/6)-(5又7/9+3又2/9)

=-4又7/12-9

=-13又7/12

(2)-5.75-[-3又3/4+(-5又1/8)]-3.125

=(-5.75+3又3/4)+(5又1/8-3.125)

=-2+2

=0(3)(-1又1/2)-[(1又1/4)-(-2又1/2)-(-3又3/4)]-(-1又1/4)+4

=(-1又1/2-2又1/2)+(-1又1/4+1又1/4)+(-3又3/4+4)

=-4+0+1/4

=-3又3/4

(3)(-4又7/8)-(-5又1/2)+(-4又1/4)-(-3又1/8)

=(-4又7/8+3又1/8)-4又1/4+5又1/2

=-1又3/4-4又1/4+5又1/2

=-6+5又1/2

=-1/2

(4)(-2013又5/6)-(-2012又2/3)-(-2011又3/4)-(+2010又1/2)

=(-2013+2012+2011-2010)+(-5/6+2/3+3/4-1/2)

=0+1/12

=1/12

(5)|-2又1/4|-(-3/4)+1-|1-1/2|

=2又1/4+3/4+1-1/2

=3+1-1/2

=3又1/2

(6)|-2又1/2|+(-3.7)+|-(+2.7)| - |-(7又1/2)|

=(2又1/2-7又1/2)+(-3.7-2.7)

=-5-6

=-11

(7)|+2+5/13|-|-37/10|+(-18/13)+0.13

=(2又5/13-18/13)+(-37/10+0.13)

=1-3.57

=-4.57

(8)|-9/41|-|-13/14|+|9/41-13/14|

=(9/41-9/41)+(-13/14+13/14)

=0+0

=0(9)|1/2001-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|

=1/2000-1/2001+1/2001-1/2002-1/2000+1/2002

=0(10)1/2-[3/4-(1/4-5-1/2)]

=1/2-[3/4-5又1/4]

=1/2-4又1/2=-4

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