第2题:87,67,45,23,( 12 87-8-7 = 72 = 8*9 即2的4次方*967-6-7 = 54 = 6*9 即2的3次方*945-4-5 = 36 = 4*9 即2的2次方*923-2-3 = 18 = 2*9 即2的1次方*912-1-2 = 9 = 1*9 即2的0次方*9还是把选项列出来吧"
(1).1,0,-1,(),-33(2).87,67,45,23,((3).3,-2,0,-3,-4,((4).0,-2
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相关问题
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直接写得数.1-[1/2]+1-[1/2]= [1/3]-[1/4]= 2.25×4= 0.67+0.33= [5/8]
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(1-0.95)*(2.2+1.2/0.25) 33/99(33+1)/(33+2)*(33-3)/(33+4)/(33
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口算1.2÷0.2= 2.5×4= 0.25+4= 1.87×0= 3.5+0.5= 1.2÷0.4= 3.6÷4= 0
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计算行列式:1. 0 1 1 1 { 2 0 2 2 } = 3 3 0 3 4 4 4 0 2. 2 7 1 -1 {
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(1) (-4½)-{3 2/5 -[(0.13)-(0.33)]}
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跪求如何化最简形矩阵~2 3 1 -3 7->1 0 2 0 -21 2 0 -2 -4->0 1 -1 0 33 -2
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求A的秩(3 1 0 4 1 2 -1 3 0 2 1 2 -3 4 -1 5 0 3 4 3 -1 2 2 7 0)
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简便计算,一定要简便哦!0.049*0.32=?3.75*12*3.67=?0.94*2.05-0.45=?87*0.2
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33又1/3*-2.5*-7*4*-0.3
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33又1/3*-2.5*-7*4*-0.3