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
答案:↓↓↓ 姜伟光的回答: 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 |