5,3,4,-2,12()
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(5/12+2/3-3/4)x(-12)(5/12+2/3-3/4)x(-12)(5/12+2/3-3/4)x(-12)稍等
(5/12-5/16)*4/5+2/3(5/12-5/16)*4/5+2/3(5/12-5/16)*4/5+2/3(5/12-5/16)*4/5+2/3=5/192*4/5+2/3=1/48+2/3=
0.25+12/1+(-3/2)-4/1-12/50.25+12/1+(-3/2)-4/1-12/50.25+12/1+(-3/2)-4/1-12/5=0.25+12-1.5-4-2.4=4.35
(-5/12)×4/15×(-3/2)×(-6)(-5/12)×4/15×(-3/2)×(-6)(-5/12)×4/15×(-3/2)×(-6)(-5/12)×4/15×(-3/2)×(-6)=[(-
(-3/5)×(-12)+0.27×5/9+(-12)×(-2/5)+4/9×0.27=?(-3/5)×(-12)+0.27×5/9+(-12)×(-2/5)+4/9×0.27=?(-3/5)×(-1
(3/4+2/3)除以5/12(3/4+2/3)除以5/12(3/4+2/3)除以5/12(3/4+2/3)除以5/12=17/12×12/5=17/5=3.4(3/4+2/3)除以5/12=(3/4
5/2÷[3/7×(4/3+7/12)]5/2÷[3/7×(4/3+7/12)]5/2÷[3/7×(4/3+7/12)]70/23
4/3乘(x-5/2)=124/3乘(x-5/2)=124/3乘(x-5/2)=124/3×(x-5/2)=12x-5/2=12×3/4x-5/2=9x=9+5/2x=23/2
5x-12>2(4x-3)5x-12>2(4x-3)5x-12>2(4x-3)5x-12>2(4x-3)5x-12>8x-6-6>3xx
6-(1/2+3/4-5/12)?6-(1/2+3/4-5/12)?6-(1/2+3/4-5/12)?5又1/6
2/17×34/5×4/312/5×5/2×6/5(都要脱式的,)2/17×34/5×4/312/5×5/2×6/5(都要脱式的,)2/17×34/5×4/312/5×5/2×6/5(都要脱式的,)2
5分之4+3分之2*(-12)/6+24-(-3)的平方/(-5)5分之4+3分之2*(-12)/6+24-(-3)的平方/(-5)5分之4+3分之2*(-12)/6+24-(-3)的平方/(-5)4
4/3×-()=2/5×()=12/7×()=5×()=14/3×-()=2/5×()=12/7×()=5×()=14/3×-()=2/5×()=12/7×()=5×()=14/35/27/121/5
3/4*5/12除以2/53/4*5/12除以2/53/4*5/12除以2/5=1/8
3-((2x-5)/3)>(3x+12)/4,解不等式3-((2x-5)/3)>(3x+12)/4,解不等式3-((2x-5)/3)>(3x+12)/4,解不等式两边乘1236-8x+20>9x+36
算24点:(1)15912(2)161013(3)24811(4)351212算24点:(1)15912(2)161013(3)24811(4)351212算24点:(1)15912(2)161013
2(4x-3)/3<5(5x+12)/62(4x-3)/3<5(5x+12)/62(4x-3)/3<5(5x+12)/62(4x-3)/3<5(5x+12)/64(4x-3)<5(5x+12)16x-
(1)-12/3*(-7)-12/4*(-7)+12/5*7(2)(-10^2)+[-4^2-(1-2^3)*2](1)-12/3*(-7)-12/4*(-7)+12/5*7(2)(-10^2)+[-
2,3,6,3,4,12,4,5,20,(),()说明理由2,3,6,3,4,12,4,5,20,(),()说明理由2,3,6,3,4,12,4,5,20,(),()说明理由5,6,30把6,12,2
2/5+(-3/5);(-1/3)+2/5;(-3又4分之1)+(-1又12分之1);2/5+(-3/5);(-1/3)+2/5;(-3又4分之1)+(-1又12分之1);2/5+(-3/5);(-1