(一)
{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="表中行单元格空白到表中行单元格空白结束的幂" style="vertical-align:-18px;height:47px;width:23px" loading="lazy">
简化
(3x2)(2x3y2)(6x2y){"language":"en","fontFamily":"Times New Roman","fontSize":"18"}" class="Wirisformula" role="math" alt="分数分子左括号3x²右括号左括号2x³y²右括号除以分母左括号6x²y右括号结束分数" style="vertical-align:-18px;height:49px;width:102px" loading="lazy">.
把分子中的括号乘开。
重新排列分子,这样你就把这些数字相乘了x{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="x" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">术语和y{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="y" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">在一起。
3×2×x2×x3×y26x2y{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="分数分子3叉乘2叉乘x方叉乘x立方叉乘y方除以分母6 x方y端分数" style="vertical-align:-18px;height:49px;width:146px" loading="lazy">
化简分子。
两个常数相乘,然后相加x{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="x" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">在一起。
6x5y26x2y{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="分子6x的5y²次方除以分母6x²y的末端分数" style="vertical-align:-18px;height:49px;width:52px" loading="lazy">
除以常数。
减去的幂x{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="x" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">分母上的项x{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="x" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">分子中的项:x5-2=x3{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="X的5 - 2次方等于X立方" style="vertical-align:-6px;height:23px;width:71px" loading="lazy">.
减去的幂y{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="y" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">分母上的项y{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="y" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">分子中的项:y2-1=y1{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="Y的2次方减去1的末端指数等于Y的1次方" style="vertical-align:-6px;height:23px;width:71px" loading="lazy">.
x3y{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="粗体斜体x的3次方,粗体斜体y" style="vertical-align:-6px;height:23px;width:30px" loading="lazy">
(b)
{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="开始mathsize 20px样式表行空白行空白结束表结束样式" style="vertical-align:-23px;height:59px;width:21px" loading="lazy">
简化
54x72x4-13{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="右括号分数分子54 x的7次方除以分母2 x的4次方结束分数右括号- 1的3次方结束指数" style="vertical-align:-18px;height:54px;width:81px" loading="lazy">.
简化括号内的表达式。
把常数约掉。
减去的幂x{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="x" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">分母上的项x{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="x" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">分子中的项:x7-4=x3{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="X的7 - 4次方等于X立方" style="vertical-align:-6px;height:23px;width:71px" loading="lazy">.
27x3-13{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="左括号是27 x³,右括号是- 1的三次方" style="vertical-align:-6px;height:42px;width:71px" loading="lazy">
通过“翻转”括号内的分数来应用括号外的负下标。
127x313{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="开括号分子1 /分母27 x³端分数闭括号1 / 3端指数次方" style="vertical-align:-18px;height:54px;width:71px" loading="lazy">
将括号外的分数索引应用于括号内的所有内容。
1132713x3×13{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="分子1的1 / 3次方端指数除以分母27的1 / 3次方端指数x的3叉乘次方乘以1 / 3次方端指数端分数" style="vertical-align:-37px;height:87px;width:82px" loading="lazy">
简化。
13x{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="分子加粗1除以分母加粗3加粗斜体x端分数" style="vertical-align:-17px;height:47px;width:30px" loading="lazy">