Question

40道有理数混合运算题带答案

Answer 1

-5+21*8/2-6-5968/21-8-11*8+61-2/9-7/9-564.6-(-3/4+1.6-4-3/4)1/2+3+5/6-7/12[2/3-4-1/4*(-0.4)]/1/3+222+(-4)+(-2)+4*3-2*8-8*1/2+8/1/8(2/3+1/2)/(-1/12)*(-12)(-28)/(-6+4)+(-1)2/(-2)+0/7-(-8)*(-2)(1/4-5/6+1/3+2/3)/1/218-6/(-3)*(-2)(5+3/8*8/30/(-2)-3(-84)/2*(-3)/(-6)1/2*(-4/15)/2/3-3x+2y-5x-7y(32)+56-681.125+[-17/5]-[-1/8]+[-0.6]=(－32）＋68＋（－29）＋（－68）＝39+[-23]+0-[-16]=[-4/9]+[-3/5]-[+11/8]+[+5/9]+[-1/8]+[-0.4]=（－21）-251＋21＋（－151）＝[-18]-58+[-52]+60=[-3]+[-2]+[-1]-89+1+2=(-8)-(-1)+8545+(-30)-45-30=15-1.5-(-11.5)+(-1.5)+11.5-1/4-(-1/2)-1/4+1/2+5/215-[1-(20-4)]15-(1-16)-15-(-15)-15+15-40-28-(-19)+(-24)+(-40)-28+19-2422.54+(-4.4)+(-12.54)+4.4=22.54-4.4-12.54+4.4[-|98|+76+(-87)]+23[56+(-75)-(7)]-(8+4+3)-2/9-7/9-564.6-(-3/4+1.6-4-3/4)1/2+3+5/6-7/12[2/3-4-1/4-(-0.4)]/1/3+222+(-4)+(-2)+4+3-2-8-8+1/2+8/1/8(2/3+1/2)/(-1/12)+(-12)(-28)/(-6+4)+(-1)2/(-2)+0/7-(-8)+(-2)(1/4-5/6+1/3+2/3)/1/218-6/(-3)-(-2)(5+3)-8+8/30/(-2)-3(-84)/2-(-3)/(-6)1/2-(-4/15)/2/3-1-23.33-(+76.76);1-2+2+2-2;(-6-24.3)-(-12+9.1)+(0-2.1);-1+8-7-20+(-14)+(-2)+1966+(-21)-(-21)+1541-6+（-51）-9+2-31/7+5/6+（-1/7）13+（-5）+（-6）+（+34）-5+6+9-71/8+（-1/4）+（-6）-17+8+9+（-14）25+（-18）+（-17）+（-22）[-|98|+76+(-87)]-23[56+(-75)-(7)]-(8+4+3)5+21+8/2-6-5968/21-8-11-8+61-2/9-7/9-564.6-(-3/4+1.6-4-3/4)1/2+3+5/6-7/12[2/3-4-1/4-(-0.4)]/1/3+222+(-4)+(-2)+4+3-28-8-1/2+8/1/2(2/3+1/2)/(-1/12)+(-12)(-28)/(-6+4)+(-1)2/(-2)+0/7-(-8)-(-2)(1/4-5/6+1/3+2/3)/1/218-6/(-3)-(-2)(5+3/8+8/30/(-2)-3(-84)/2-(-3)/(-6)1/2+(-4/15)/2/3-1-23.33-(+76.76);1-2+2-2-2;(-6-24.3)-(-12+9.1)+(0-2.1);-1+8-7-20+(-14)+(-2)+1966+(-21)-(-21)+1541-6+（-51）-9+2-31/7+5/6+（-1/7）13+（-5）+（-6）+（+34）-5+6+9-71/8+（-1/4）+（-6）-17+8+9+（-14）25+（-18）+（-17）+（-22）