(1+1×56÷28-27)×52/3=?

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(1+1×56÷28-27)×52/3=?

(1+1×56÷28-27)×52/3=?
(1+1×56÷28-27)×52/3=?

(1+1×56÷28-27)×52/3=?
-416

(1+1×56÷28-27)×52/3=? 1又1/3-1/7-11/105-5/24+33/56+4/45=?(45.85—28又1/5+26又1/4)*99.7-3/4*52又23/27-3/5除以27/77=?急.两题 (1-1/5)X=16/25 X+1/3X=120 X÷6/7=28/27÷18/15 28×(6/7+3/4)+5 1/4×1 2/7÷27简便运算 24÷1/3-56= (1)1.2°=___‘;78’=___°;360‘’=___''或___°(2)用度、分、秒表示48.26°(3)用度表示37°24'36''(4)计算.1、21°17'×5 2、176°52'÷33、46°42'+35.4°-28°27'16'' 56×12-4x=16 3分之1x÷3分之2=27分之8 解方程 (1)9/2÷27=6/2÷18=3/2÷9=1/2÷()=()÷()= (-4)÷( )=-8   ( )÷(-1/3) =-3   (-14)÷( )=56 (-7/8)÷(  )=-1 计算各题.(有补充哦!)(1)8分之5÷20分之3×40=?(2)18分之17×27分之14÷27分之28=?(3)7分之1÷9分之1×7=?(4)13分之6÷26分之9×18=?(注意下下哦,顺便在答案前写上序号.) 19又13/14*(-10) 57*55/56+27*27/28 -13*2/3-0.34*2/7+1/3*(-13)-5/7*0.34 用简便计算 简单的百分数计算:::::::::41/53 =12/53 =15/72 =20/72 =10/72 =27/72 =44/56 =6/56 =37/52 =14/52 =1/52 =42/58 =11/58 =5/58 =10/57 =4/57 =43/57 =13/52 =21/52 =18/52 =40/52 =8/52 =4/52 =8/58 =6/58 =44/58 =4/50 =28/50 =18/50 = 27-5÷x=3÷2x-1, 5400-2940÷28×27 简便方法计算(20.2×0.4+7.88)÷4.2(4/5-1/4)÷7/3+7/10 ()/15=()÷27=():9=1/3 一道添数字数学题52-(7*□-□÷1/3)*2=12 要求在一个坐标系里划出四个拟合曲线y=[58 59 60 55 58 64 59 60 55 60 58 56 60 56 58 60 50 59 60 53 61 62 52 63 56 60 62 64 56 60 63];x=[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31];a=polyfit(x,y, -91÷13= -56÷(-14)= 16÷(-3)= (-48)÷(-16)=?4/5÷(-1)=?-0.25÷3/8=?写清楚