问题描述:
【简单】求:初一有理数的加减混合运算
(1) (-8)-(-3)-(-6)
(2) 7-(-4)+12-(-8)
(3) -20-2+5-6.4+(-4/5)
(4) (-53)+(+24)-(-79)-(+37)
(5) (+32)+(-16)-(-18)-(+5)
(6) (-4)+(-32)-(-24)-(-4.3)
(7) (-2又3/4)+8又7/8-3又3/4-5又5/8
(8) 5.4+11-3.3-3又3/5-11-4.7+4又1/2
(9) (-0.5)-(-3.25)+2.75-(+7又1/2)
(10) 4.75-(-2又1/2)+(+10又2/3)+(-3又1/2)-5又3/4
声明:第一题和第二题不用写了,请各位亲专心回答3~
另:更正,第四题为(-53)+(+21)-(-79)-(+37)
就写给我看啊!别说风凉话了,不给答案就别占空间了
(1) (-8)-(-3)-(-6)
(2) 7-(-4)+12-(-8)
(3) -20-2+5-6.4+(-4/5)
(4) (-53)+(+24)-(-79)-(+37)
(5) (+32)+(-16)-(-18)-(+5)
(6) (-4)+(-32)-(-24)-(-4.3)
(7) (-2又3/4)+8又7/8-3又3/4-5又5/8
(8) 5.4+11-3.3-3又3/5-11-4.7+4又1/2
(9) (-0.5)-(-3.25)+2.75-(+7又1/2)
(10) 4.75-(-2又1/2)+(+10又2/3)+(-3又1/2)-5又3/4
声明:第一题和第二题不用写了,请各位亲专心回答3~
另:更正,第四题为(-53)+(+21)-(-79)-(+37)
就写给我看啊!别说风凉话了,不给答案就别占空间了
问题解答:
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