meili 发表于 2022-10-27 15:52:11

1)-3amp;sup2;*1.2amp;sup2;/3amp;sup2;+(-1/3)amp;sup2;*(-3)amp;sup3;/(-1)2)-2amp;sup2;+(-2)amp;sup2;-【(625*(-2/5)-2】/(-6)amp;sup3;3)-2amp;sup2;*3-2*(-3/2)/(2/3)-4*(-3/2)amp;sup2;4)【(—5)amp;sup2;-(-15)】

<p>问题:1)-3amp;sup2;*1.2amp;sup2;/3amp;sup2;+(-1/3)amp;sup2;*(-3)amp;sup3;/(-1)2)-2amp;sup2;+(-2)amp;sup2;-【(625*(-2/5)-2】/(-6)amp;sup3;3)-2amp;sup2;*3-2*(-3/2)/(2/3)-4*(-3/2)amp;sup2;4)【(—5)amp;sup2;-(-15)】-(15/7-13/4)*565
<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">姜伟光的回答:<div class="content-b">网友采纳  1)-3²*1.2²/3²+(-1/3)²*(-3)³/(-1)  =-1.2²+(-3)³/(-1)(3)²  =-1.44+3  =1.56  2)-2²+(-2)²-【(625*(-2/5)-2】/(-6)³  =-【(625*(-2/5)-2】/(-6)³  =-【-250-2】/(-6)³  =-252/(-6)³  =7/6  3)-2²*3-2*(-3/2)/(2/3)-4*(-3/2)²  =-12+3*(3/2)-4*(9/4)  =-12+4.5-9  =16.5  4)【(—5)²-(-15)】-(15/7-13/4)*56  =(25+15)-(15/7)*56+(13/4)*56  =40-120+182  =102  5)-1-【(1-1/2)*1/6】/1/【3+(-3)³】  =-1-(1/12)*(-24)  =-1+2  =1  6)(a/2)²-b²/2-(ab)³+a³b  =(-1/4)²-4²/2-(-4/2)³+(-1/2)³*4  =1/16-8+8-1/2  =-7/16
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查看完整版本: 1)-3amp;sup2;*1.2amp;sup2;/3amp;sup2;+(-1/3)amp;sup2;*(-3)amp;sup3;/(-1)2)-2amp;sup2;+(-2)amp;sup2;-【(625*(-2/5)-2】/(-6)amp;sup3;3)-2amp;sup2;*3-2*(-3/2)/(2/3)-4*(-3/2)amp;sup2;4)【(—5)amp;sup2;-(-15)】