(5)15-[-1-(-20-4)] (6) -40-28-(-19)+(-24) 求过程
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(5)15-[-1-(-20-4)](6)-40-28-(-19)+(-24)求过程(5)15-[-1-(-20-4)](6)-40-28-(-19)+(-24)求过程(5)15-[-1-(-20-4
(5)15-[-1-(-20-4)] (6) -40-28-(-19)+(-24) 求过程
(5)15-[-1-(-20-4)] (6) -40-28-(-19)+(-24) 求过程
(5)15-[-1-(-20-4)] (6) -40-28-(-19)+(-24) 求过程
(5)15-[-1-(-20-4)]
=15+1-20-4
=-8
(6) -40-28-(-19)+(-24)
=-40-28+19-24
=-73
15-[-1-(-20-4)] (6) -40-28-(-19)+(-24)
=15-[-1+20+4]
=15+1-24
=-8
(6) -40-28-(-19)+(-24)
=-68+19-24
=-73
8/9-5/12= 7/15-3/20-1/20+3/15 =(7/15+3/15)-(3/20+1/20) =10/15-4/20 = 7/15-3/20-1/20+3/15 =(7/15+3/15)-(3/20+1/20) =10/15-4/20 = 是7/15-3/20-1/20+3/15 =(7/15+3/15)-(3/20+1/20)=10/15-4/20 = (简算)
7,5,3,10,1,( ),( A:15,-4 B:20,-2 C:15,-1D:20,0
(5)15-[-1-(-20-4)] (6) -40-28-(-19)+(-24) 求过程
(5/4-21/20)/1/15*5怎么简算
(-1/6 - 3/20 + 4/5 -7/12 )x(-15 x4 )
找规律(1,5,10),(2,10,20),(3,15,30),(4,20,40),( ,,)
(5分之4+3分之20/(1-15分之 4)
20课的15(1)、(2)、(3)、(4)、(5)跪求了!
有理数简便运算.(4/5-1/6-3/20-7/12)乘4乘(-15)
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5×(1/20+1/15)-2/13
(1*3*5+2*6*10+3*9*15+4*12*20+5*15*25)/(1*2*3+2*4*6+3*6*9+4*8*12+5*10*15)等于多少?
编程,打印杨辉三角(要求七行) 1 1 1 1 2 1 1 3 3 1 1 4 6 4 1 1 5 10 10 5 1 1 6 15 20 15 6 1
15-(1-(-20-4))等于多少?
15-《1-(-(20-4))》 如题
数字推理:7,5,3,10,1,(),() 空格的两项是什么?(1)15,4 (2)20,-2 (3)15,-1 (4)20,0
15-[1-(-20-4)] (-40)-28-(-19)+(-24)22.54+(-4.4)+(-12.54)+4.4 (2/3-1/2)-(1/3-5/6)过程
能简算的要简算(3/5+2.4/2/3)/0.71/10*1/8+4/5*1/8+1/80(8/15-9/20)/(3/4+1/8)[4/5+(2/7-2/7)*7/8]/4/5