-2/1+5/6-4.5+17/5-16/3过程

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-2/1+5/6-4.5+17/5-16/3过程
-2/1+5/6-4.5+17/5-16/3过程

-2/1+5/6-4.5+17/5-16/3过程
如果题目是这样的:
-2/1+5/6-4.5+17/5-16/3过程
-2/1+5/6-4.5+17/5-16/3
=-2+5/6-9/2+17/5-16/3
通分,分母分别为2,3,5,6则取最小公倍数30
则原式=-2+5/6-9/2+17/5-16/3
=-60/30+25/30-135/30+102/30-160/30
=(-60+25-135+102-160)/30
=-228/30
=-38/5
如果题目是这样的:
-1/2+6/5-4.5+17/5-3/16
=(-1/2-4.5)+(6/5+17/5)-3/16
=-5+4.6-3/16
=-3/5-3/16
=-63/80

-1/2+6/5-4.5+17/5-3/16
=(-1/2-4.5)+(6/5+17/5)-3/16
=-5+4.6-3/16
=-3/5-3/16
=-63/80

-2/1+5/6-4.5+17/5-16/3过程 (1)9/4*(-6/7)/(1/2-2)=?(2)(-16-50+17/5)/(-2)=? -5.3-3.2+2.5-|-5.7|-1/2-26/5-1+16/5-4.5-7/3(+71/4)-(+6.25)-(-17/2)+(-0.75)-(+89/4) 8/17×11/16+5/17×1/2 1 2 4 5 6 9 10 12 13 14 15 16 17 18 20 21 1,4,7,10,( ),16 5,6,8,12,20,( )1,2,5,10,17,( ) (1)23-17-(-7)+(-16)(2)-2分之1-5又5分之1-1+3又4分之-4.5+2又3分之1(3)(-2.5)-(+2.7)-(-1.6)-(-2.7)+(+2.4)(4)0.4-(-4分之1)+6分之1(5)3分之1+(-6分之5)+3分之2(6)27-18+(-7)-3 1,4/3,2,16/5,16/3,()1,6,16,33,59,()6,21,43,72,()8,17,24,37,() (1/6+1/8-3/16)*48-35.75*14/5+(-101/4)*(-14/5)+4.5*(-14/5 ) (简算) (1) (5/9*4.5-2/1.25)/7(2) (4-35/65*5.2)/0.01(3) 18.25*59/5-(17+1/4)/(1-54/59)(4) 0.1/(3.3-(2.4+18/5/6))(5) 0.5*236*59/119 [4又9/5-(2又5/2+0.64)+3又25/1+6/5]*4.5 怎么用EXCEL生成不定概率的随机数0 0.1% 1 0.3% 2 0.6% 3 1.0% 4 1.5% 5 2.1% 6 2.8% 7 3.6% 8 4.5% 9 5.5% 10 6.3% 11 6.9% 12 7.3% 13 7.5% 14 7.5% 15 7.3% 16 6.9% 17 6.3% 18 5.5% 19 4.5% 20 3.6% 21 2.8% 22 2.1% 23 1.5% 24 1.0% 25 0.6% 26 0.3% 几道简算题41.1/17×4/9+5/17×1/92.1/7×3/4+3/7×1/6+6/7×1/123.5/9×79又16/17+50×1/9+1/9×5/174.5/17×3/8+1/15×7/16+1/15×3又1/2 有理数加法练习题,一:(+26)+(-18)+5+(-16)二:23+(-17)+6+(-22)三:(-2)+3+1+(-3)+2+(-4) 6分之5+17分之2+6分之1等于 公务员的数量关系题,要有详细的解答过程哦~要有详细的解答过程哦~一、1,2,3,7,16,(65),321二、1,7,8,(57),121三、4.5,14,32.5,(63),108.5四、7,7,10.5,21,52.5,(157.5)五、27,16,5,(-6),-17六、0,4,18, 17分之5×16+17分之6简便运算 34+17+8 1/2+7 1/4+6 1/8+5 1/16+4 1/32+3 1/64+2 1/128+1 1/256=