具体题目如下:(-3)x1/3÷(-1/3)x3-2x3的2次方-(-2x3的2次方)-11÷(-2-1/4+1又1/3)-7/9÷(2/3-1/5)-1/3x(-4)的2次方-0.25的2次方÷(-1/2)的3次方+(1/8-1/2)x(-1)的50次方递等式~要清楚哦.先悬赏125,条
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 04:05:11
![具体题目如下:(-3)x1/3÷(-1/3)x3-2x3的2次方-(-2x3的2次方)-11÷(-2-1/4+1又1/3)-7/9÷(2/3-1/5)-1/3x(-4)的2次方-0.25的2次方÷(-1/2)的3次方+(1/8-1/2)x(-1)的50次方递等式~要清楚哦.先悬赏125,条](/uploads/image/z/3744118-46-8.jpg?t=%E5%85%B7%E4%BD%93%E9%A2%98%E7%9B%AE%E5%A6%82%E4%B8%8B%EF%BC%9A%EF%BC%88-3%29x1%2F3%C3%B7%EF%BC%88-1%2F3%EF%BC%89x3-2x3%E7%9A%842%E6%AC%A1%E6%96%B9-%EF%BC%88-2x3%E7%9A%842%E6%AC%A1%E6%96%B9%EF%BC%89-11%C3%B7%EF%BC%88-2-1%2F4%2B1%E5%8F%881%2F3%EF%BC%89-7%2F9%C3%B7%EF%BC%882%2F3-1%2F5%EF%BC%89-1%2F3x%28-4%29%E7%9A%842%E6%AC%A1%E6%96%B9-0.25%E7%9A%842%E6%AC%A1%E6%96%B9%C3%B7%EF%BC%88-1%2F2%EF%BC%89%E7%9A%843%E6%AC%A1%E6%96%B9%2B%EF%BC%881%2F8-1%2F2%EF%BC%89x%28-1%29%E7%9A%8450%E6%AC%A1%E6%96%B9%E9%80%92%E7%AD%89%E5%BC%8F%7E%E8%A6%81%E6%B8%85%E6%A5%9A%E5%93%A6.%E5%85%88%E6%82%AC%E8%B5%8F125%2C%E6%9D%A1)
具体题目如下:(-3)x1/3÷(-1/3)x3-2x3的2次方-(-2x3的2次方)-11÷(-2-1/4+1又1/3)-7/9÷(2/3-1/5)-1/3x(-4)的2次方-0.25的2次方÷(-1/2)的3次方+(1/8-1/2)x(-1)的50次方递等式~要清楚哦.先悬赏125,条
具体题目如下:
(-3)x1/3÷(-1/3)x3
-2x3的2次方-(-2x3的2次方)
-11÷(-2-1/4+1又1/3)
-7/9÷(2/3-1/5)-1/3x(-4)的2次方
-0.25的2次方÷(-1/2)的3次方+(1/8-1/2)x(-1)的50次方
递等式~要清楚哦.先悬赏125,条理清晰加分.由于有的题目的数字符号打不出,所以文字表达.不清楚问.要够我们初一新生看懂.
11÷(-2-1/4+1又1/3) 前面打错了 不是﹣11
具体题目如下:(-3)x1/3÷(-1/3)x3-2x3的2次方-(-2x3的2次方)-11÷(-2-1/4+1又1/3)-7/9÷(2/3-1/5)-1/3x(-4)的2次方-0.25的2次方÷(-1/2)的3次方+(1/8-1/2)x(-1)的50次方递等式~要清楚哦.先悬赏125,条
(-3)x1/3÷(-1/3)x3 -2x3的2次方-(-2x3的2次方)
=-1÷(-1/3)x3 =-2x9-(-2x9)
=3x3 =-18+18
=9 ...
全部展开
(-3)x1/3÷(-1/3)x3 -2x3的2次方-(-2x3的2次方)
=-1÷(-1/3)x3 =-2x9-(-2x9)
=3x3 =-18+18
=9 =0
-11÷(-2-1/4+1又1/3)
=-11÷(-2-1/4+4/3)
=-11÷(-9/4+4/3)
=-11÷(-11\12)
=12
-7/9÷(2/3-1/5)-1/3x(-4)的2次方
=-7/9÷(7\15)-1/3x16
=-5\3-16\3
=-21\3
=-7
-0.25的2次方÷(-1/2)的3次方+(1/8-1/2)x(-1)的50次方
=-1\4的2次方÷(-1/8)+(-3\8)x1
=1\16x(-8)-3\8
=-1\2-3\8
=-7\8
收起
(-3)x1/3÷(-1/3)x3=-1÷(-1)=1
-2x3的2次方-(-2x3的2次方)=-2x9-(-2x9)=0
-11÷(-2-1/4+1又1/3)=-11÷(-12分之24-12分之3+12分之16)=-11÷(-12分之11)=-11x(-11分之12)=-12
-7/9÷(2/3-1/5)-1/3x(-4)的2次方=-7/9÷(10/15-3/15)-1/...
全部展开
(-3)x1/3÷(-1/3)x3=-1÷(-1)=1
-2x3的2次方-(-2x3的2次方)=-2x9-(-2x9)=0
-11÷(-2-1/4+1又1/3)=-11÷(-12分之24-12分之3+12分之16)=-11÷(-12分之11)=-11x(-11分之12)=-12
-7/9÷(2/3-1/5)-1/3x(-4)的2次方=-7/9÷(10/15-3/15)-1/3*16=-7/9÷7/15-16/3=-7/9*15/7-7/15=-15/9-48/9=13/3
-0.25的2次方÷(-1/2)的3次方+(1/8-1/2)x(-1)的50次方=0.0625*(-8)-3/8*1=1/2-3/8=1/8
收起
①、(-3)x1/3÷(-1/3)x3=﹣1/﹣1=1;
②、﹣2×3²-﹙﹣2×3²﹚=﹣2×9-﹙﹣2×9﹚=﹣18-﹙﹣18﹚=0;
③、﹣11÷(-2-1/4+1又1/3)=﹣11/﹙﹣11/12﹚=﹣11×﹙﹣12/11﹚=12;
④、﹣7/9÷(2/3-1/5)-1/3x(-4)²=﹣7/9÷7/15-1/3×16=﹣7/9×15/...
全部展开
①、(-3)x1/3÷(-1/3)x3=﹣1/﹣1=1;
②、﹣2×3²-﹙﹣2×3²﹚=﹣2×9-﹙﹣2×9﹚=﹣18-﹙﹣18﹚=0;
③、﹣11÷(-2-1/4+1又1/3)=﹣11/﹙﹣11/12﹚=﹣11×﹙﹣12/11﹚=12;
④、﹣7/9÷(2/3-1/5)-1/3x(-4)²=﹣7/9÷7/15-1/3×16=﹣7/9×15/7-1/3×16=﹣7
⑤、0.25²÷(-1/2)³+(1/8-1/2)x(-1)的50次方=﹙1/4﹚²÷(-1/8﹚+﹙1/8-1/2)×1
=1/16×﹙﹣8﹚+﹙﹣3/8﹚=1/2+﹙﹣3/8﹚=1/8
收起