(-1/2+1/6-3/8+5/12)*(-24)怎么算?
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(-1/2+1/6-3/8+5/12)*(-24)怎么算?
(-1/2+1/6-3/8+5/12)*(-24)怎么算?
(-1/2+1/6-3/8+5/12)*(-24)怎么算?
(-1/2+1/6-3/8+5/12)*(-24)-1/2×(-24)+1/6×(-24)-3/8×(-24)+5/12×(-24)=12-4+9-10=7
(-1/2+1/6-3/8+5/12)*(-24)
=-1/2 *(-24)+1/6 *(-24)-3/8 *(-24)+5/12 *(-24)
=12-4+9-10
=7
(2/3-5/6-7/8+1/12)*(-24)=?
1+2+3+4+5+6+7+8+9+12
2/1 3/1 4/1 5/1 6/1 8/1 10/1 12/1 15/1 20/1
-(-3)²×(-1)-8×(-1/2)³×l-2-3l-1⁴-(1-0.5)×1/3×[2-(-3)²][(-1/6)-(-5/12)+2/12]×(-60)
2 5 8 12 7 6 7 2 8 12 5 8 12 7 6 7 28 1 1 13 3 13 1660 30 80找规律,
[1又2/3-(5/8-1/6+7/12)*24]/(-5)
【1又2/3-(5/8-1/6+7/12)×24】÷(-5)
分母:1*3+2*4+3*6+4*8+5*10+6*12分子:1*3+2*6+3*9+4*12+5*15+6*18
找规律:[1]1 1 2 3 5 8 [ ] [ ] [2]2 3 5 8 12 17 [ ] [ ] [3 ]1 2 2 4 3 6 [ ] [ ]
(1*3*5+2*6*10+3*9*15)/(2*4*6+4*8*12+6*12*18)
1又11/12-(5/6+11/12)要简便运算 2x-3/8=1-3/8
(3分之2-2分之1-6分之5)*12-1.45*8+3.95*8
8/9-3/8+1/9 7/9-2/5-5/18 5/12+3/4+2/3 1/2+(2/3-1/4) 1-1/8-3/10 5/6-(1/2-1/3)计算要有过程
6*《9/8-8/7》*《-12》 《3/1-3+6/1-12/7》*《-6》2次方
计算题.(672/8+74)*8 12*(5/6-2/3+1/2) 0.125*6*8 35/[(1又5/6-2/3)*3] 3又1/5-2/3+1又1/6 47.6*48计算题.(672/8+74)*8 12*(5/6-2/3+1/2) 0.125*6*8 35/[(1又5/6-2/3)*3] 3又1/5-2/3+1又1/6 47.6*482+4.76*3570+476*16.1 4
急*2**7******12**7*5*5***3*9***9*4**8*3**5*6**1*7**8*2***8*7***6*9*6**41******3**5*
1+2-3+5-6+7+8+2×6+12-18=?
用以下这些数字帮忙组合用1-2,1-3,1-4,1-5,1-6,1-7,1-8,1-9,1-10,1-11,1-12,2-3,2-4,2-5,2-6,2-7,2-8,2-9,2-10,2-11,2-12,3-4,3-5,3-6,3-7,3-8,3-9,3-10,3-11,3-12,4-5,4-6,4-7,4-8,4-9,4-10,4-11,4-12,5-6,5-7,5-8,5-9,5-10,5-11,5-12,6-7,6-8,6-9,6-10,6-