(1)24+(-14)+(-16)+8(2)(1又3/4-7/8-2又1/4*1/4)*(-32)(3)(-3又1/5)÷(+4/3)-3/4*(-2/15)+3又7/15÷(-4/3)(4)(-3)÷(-1又3/4)*0.75* I-2又1/2 I ÷ I-3I(5)12-(-18)+(-7)-15(6)(-16
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![(1)24+(-14)+(-16)+8(2)(1又3/4-7/8-2又1/4*1/4)*(-32)(3)(-3又1/5)÷(+4/3)-3/4*(-2/15)+3又7/15÷(-4/3)(4)(-3)÷(-1又3/4)*0.75* I-2又1/2 I ÷ I-3I(5)12-(-18)+(-7)-15(6)(-16](/uploads/image/z/2980912-40-2.jpg?t=%EF%BC%881%EF%BC%8924%2B%EF%BC%88-14%EF%BC%89%2B%EF%BC%88-16%EF%BC%89%2B8%EF%BC%882%EF%BC%89%EF%BC%881%E5%8F%883%2F4-7%2F8-2%E5%8F%881%2F4%2A1%2F4%EF%BC%89%2A%EF%BC%88-32%EF%BC%89%EF%BC%883%EF%BC%89%EF%BC%88-3%E5%8F%881%2F5%EF%BC%89%C3%B7%EF%BC%88%2B4%2F3%EF%BC%89-3%2F4%2A%EF%BC%88-2%2F15%EF%BC%89%2B3%E5%8F%887%2F15%C3%B7%EF%BC%88-4%2F3%EF%BC%89%EF%BC%884%EF%BC%89%EF%BC%88-3%EF%BC%89%C3%B7%EF%BC%88-1%E5%8F%883%2F4%EF%BC%89%2A0.75%2A+I-2%E5%8F%881%2F2+I+%C3%B7+I-3I%EF%BC%885%EF%BC%8912-%EF%BC%88-18%EF%BC%89%2B%EF%BC%88-7%EF%BC%89-15%EF%BC%886%EF%BC%89%EF%BC%88-16)
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(1)24+(-14)+(-16)+8(2)(1又3/4-7/8-2又1/4*1/4)*(-32)(3)(-3又1/5)÷(+4/3)-3/4*(-2/15)+3又7/15÷(-4/3)(4)(-3)÷(-1又3/4)*0.75* I-2又1/2 I ÷ I-3I(5)12-(-18)+(-7)-15(6)(-16
(1)24+(-14)+(-16)+8
(2)(1又3/4-7/8-2又1/4*1/4)*(-32)
(3)(-3又1/5)÷(+4/3)-3/4*(-2/15)+3又7/15÷(-4/3)
(4)(-3)÷(-1又3/4)*0.75* I-2又1/2 I ÷ I-3I
(5)12-(-18)+(-7)-15
(6)(-16又3/4)-(-10又1/4)-(+1又1/2)
(7)(5-81)÷2又1/4*(-4/9)÷(-16)
(8)(1又3/4-3又1/2-7/12)*(-8/7)
(1)24+(-14)+(-16)+8(2)(1又3/4-7/8-2又1/4*1/4)*(-32)(3)(-3又1/5)÷(+4/3)-3/4*(-2/15)+3又7/15÷(-4/3)(4)(-3)÷(-1又3/4)*0.75* I-2又1/2 I ÷ I-3I(5)12-(-18)+(-7)-15(6)(-16
你写出来的功夫还不如自己算算,都是基础题
1,2,3,4,6,8,14,16,18,24,( ),( ),72,96,144,288
0,12,24,14,120,16,()
数列16、16、17、24、42、() 0、2、3、0、8、() 3/2、-3、-2、9/2、33/2、() 2、5、0、-1、14、41、
初中有理数的计算1)23-17-{-7}+{-16}(2)(+24)+(-14)+(-16)+(+8)(3)2/3-1/8-(-1/3)+(-3/8)(4)(41)+(-23)+(-34)+0(5)1/2+(-2/3)-(-4/5)-(-1/2)
6,24,8,16,16()
找规律填空:7,8,14,16,21,24,( ),( )......
找规律填数字 1、4、8、14、24 、( ).
算24点:(1)3、3、17、27;(2)1、10、14、16;(3)2、5、8、28;(4)3、9、14、21;(5) 7、8、9、21
(3/16+1/24)×8+2/3简算
按规律填数 1,6,5,10,9,14,13,( ),( ) 128,64,32,( ),8,( ),20,1,3,8,21,( ),144(8,6),(16,3),(24,2),(12,?)(十二后面添什么)(6,9),(7,8),(10,5),(?,13)(十三前面填什么)答对者提高
找规律填一填 ① 8 11 14 17()23() ②4 9 16 25()49找规律填一填 ① 8 11 14 17()23() ②4 9 16 25()49 64③ 1 8 27() 125()④ 3 6 9 15 24()63()
26+(-14)+(-16)+8-4.8
7/8=14/16=21/24=( )填小数.
(1)24+(-14)+(-16)+8(2)(1又3/4-7/8-2又1/4*1/4)*(-32)(3)(-3又1/5)÷(+4/3)-3/4*(-2/15)+3又7/15÷(-4/3)(4)(-3)÷(-1又3/4)*0.75* I-2又1/2 I ÷ I-3I(5)12-(-18)+(-7)-15(6)(-16
[(1/8-1/6)*24】的三次方-(7/24-14/15)*3/2
(-3/8+7/12)÷(-1/24)+(-7/16)÷(-1/3/4+7/8)
(-6)*(-4)+(-32)/(-8)-3:—2/7-(-1/2)+|-1又1/2|:【(-9/14)-1又5/7+8/21】/(-1/24)(-0.5)-(3又1/4)+6.75-5又1/2:(-9)*(-4)+(-60)/12; -1又3/5*(7/32-5/16)/2又1/2:跪谢,
1+8+16+24+……+8n(n 是正整数)的结果为 ( )