(-32)-(-27)-(-72)-(+87) 等于多少(-32)-(-27)-(-72)-(+87) ;(-7分之1)-(-7分之2)-(+1幼7分之3);如果/a/=2,/b/=4,且/a+b/=a+b,求a-b的值是多少?现在,今晚就要,
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![(-32)-(-27)-(-72)-(+87) 等于多少(-32)-(-27)-(-72)-(+87) ;(-7分之1)-(-7分之2)-(+1幼7分之3);如果/a/=2,/b/=4,且/a+b/=a+b,求a-b的值是多少?现在,今晚就要,](/uploads/image/z/2977901-53-1.jpg?t=%28-32%29-%28-27%29-%28-72%29-%28%2B87%29+%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%28-32%29-%28-27%29-%28-72%29-%28%2B87%29+%EF%BC%9B%EF%BC%88-7%E5%88%86%E4%B9%8B1%EF%BC%89-%EF%BC%88-7%E5%88%86%E4%B9%8B2%29-%28%2B1%E5%B9%BC7%E5%88%86%E4%B9%8B3%EF%BC%89%EF%BC%9B%E5%A6%82%E6%9E%9C%2Fa%2F%3D2%2C%2Fb%2F%3D4%2C%E4%B8%94%2Fa%2Bb%2F%3Da%2Bb%2C%E6%B1%82a-b%E7%9A%84%E5%80%BC%E6%98%AF%E5%A4%9A%E5%B0%91%3F%E7%8E%B0%E5%9C%A8%2C%E4%BB%8A%E6%99%9A%E5%B0%B1%E8%A6%81%2C)
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(-32)-(-27)-(-72)-(+87) 等于多少(-32)-(-27)-(-72)-(+87) ;(-7分之1)-(-7分之2)-(+1幼7分之3);如果/a/=2,/b/=4,且/a+b/=a+b,求a-b的值是多少?现在,今晚就要,
(-32)-(-27)-(-72)-(+87) 等于多少
(-32)-(-27)-(-72)-(+87) ;(-7分之1)-(-7分之2)-(+1幼7分之3);如果/a/=2,/b/=4,且/a+b/=a+b,求a-b的值是多少?现在,今晚就要,
(-32)-(-27)-(-72)-(+87) 等于多少(-32)-(-27)-(-72)-(+87) ;(-7分之1)-(-7分之2)-(+1幼7分之3);如果/a/=2,/b/=4,且/a+b/=a+b,求a-b的值是多少?现在,今晚就要,
(-32)-(-27)-(-72)-(+87)
=-32+27+72-87
=-5+(-15)
=-20
(-7分之1)-(-7分之2)-(+1幼7分之3)
=-1/7+2/7-10/7
=-9/7 即 七分之九
|a|=2;|b|=4 |a+b|=a+b 所以
1.a=2 时 b=4 则a-b=-2;
2.a=-2时 b=4 则a-b=-6
(-32)-(-27)-(-72)-87
-27-(-32)+(-8)+72步骤
-27+(-32)+(-8)+72
(-32)-(-27)-(-72)-87
(-32)-[(-27)-(72)]-87怎么做
(-32)-(-27)-(72)-87咋做要步骤
[(72-32)+-(87-27)]这条试子可以么
-27-(-32)-(-87)+(-72)简算
(-32)-(-27)-(-72)-87这题怎么做?
负32减负27减负72减87 救急,
72分之32除以72分之24乘以72分之27怎么算.把计算的过程写出来.
1.(-72)-(-37)-(-22)-172.(-16)-(-12)-24-(-18)3.23-(-76)-36-(-105)4.(-32)-(-27)-(72)-87紧急!
32乘以72减5481除以27的简便计算是什么
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18、27和32的最小公倍数 72、84和16的最小公倍数分别是多少~
26 72 30 54 27 44 32 25 18 12 42 56
负27加负32加负8加72过程