[六年级下册乘方的公式：越多越好]同底数幂的乘法公式和法则 （1）公式：am·an=am+n(m、n都是正整数) am·an·ap=am+n+p(m、n、p都是正整数) （2）法则：同底数幂相乘，底数不变，指数相加.注意：Ⅰ.在此公式中，底数a可代表数...+阅读

(-5)-(+3)+(-9)-(-7) (-5)+(+8)-(+2)-(-3) 5-(-3 )-(+7)-2 (-21)+(+16)-(-13)-(+7)+(-6) 2 -(- )+(-0.5)+(+2)-(+ )-2 (-7)-(+5)+(+3)-(-9) -(+2 )-(-1 )-(+3 ) -14 5 (-3)=-12 -12 (-7) (-5) (-6) 23.33-(+76.76) (-6-24.3)-(-12+9.1)+(0-2.1) 6+(7-8) (-78)+25+26+27 (-3)+(-2)+(-1) 39+28+26-125 [2/3-4-1/4+(-0.4)]+1/3+2 22+(-4)+(-2)+4-3 (-2)+7-(-16)-(-3) (-5)-(+3)+(-9)-(-7) (-1/4)+(-5/6)-(-1/3)+2/3-1/6 2/3+(-1/2)-(-1/3)+1/4 (-5)+(-8)-(-2)-3 (-21)+(+16)-(-13)-(+7)+(-6) (-2/3)+(-1/3)+3/4+(-1/4) (-0.73)+(-0.62)-(+0.75) (-19)+(-11)-(-33)+27 (-6.4)+(-3.6)-(-12.5)+4.5 (-81)+(-19)-27+33 (-3.2)-(-6.2)+(-5.1)+(-4.9) (-6.9)+(-3.1)+(+2.7)+(-2.1) 39+[-23]+0+[-16]= [-18]+29+[-52]+60= [-3]+[-2]+[-1]+0+1+2= [-301]+125+301+[-75]= [-1]+[-1/2]+3/4+[-1/4]= [-7/2]+5/6+[-0.5]+4/5+19/6= [-26.54]+[-6.14]+18.54+6.14= 1.125+[-17/5]+[-1/8]+[-0.6]= [-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) 5+21*8/2-6-59 68/21-8-11*8+61 -2/9-7/9-56 4.6-(-3/4+1.6-4-3/4) 1/2+3+5/6-7/12

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呃谁有七年级上册数学有关有理数的乘方的计算题(1)(-8)+10+2+(-1) =-8+10+2-1 =3 (2)25+(-12)+(-17)-(-6) =25-12-17+6 =2 (3)(-0.8)+1.2+(-0.7)+(-2.1) =-0.8+1.2-0.7-2.1 =-1.7 (4)5.6+(-0.9)+4.4=(-8.1) =10+(-9) =1 (...