①24÷(1/3+1/8-1/24)②46x2/45÷(2/45÷1/46)
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①24÷(1/3+1/8-1/24)②46x2/45÷(2/45÷1/46)①24÷(1/3+1/8-1/24)②46x2/45÷(2/45÷1/46)①24÷(1/3+1/8-1/24)②46x2/
①24÷(1/3+1/8-1/24)②46x2/45÷(2/45÷1/46)
①24÷(1/3+1/8-1/24)
②46x2/45÷(2/45÷1/46)
①24÷(1/3+1/8-1/24)②46x2/45÷(2/45÷1/46)
①24÷(1/3+1/8-1/24)
=24÷(8/24+3/24-1/24)
=24×24/10
=57.6;
②46x2/45÷(2/45÷1/46)
=46×2/45÷(2×46/45)
=1;
如果本题有什么不明白可以追问,
①24÷(1/3+1/8-1/24)②46x2/45÷(2/45÷1/46)
①(1/2+1/4-3/8)÷1/24 ②17/16*15+17/16
①(1-3/2-3/8+7/12)×(-24)= ②(-8)×9×(-1.25)×(-1/9)=①(1-3/2-3/8+7/12)×(-24)=②(-8)×9×(-1.25)×(-1/9)=③(-306/11)÷9-(1/2+2/3-3/4-11/12)×(-24)=
[1-1/4-(3/8-3/4)×24]÷(-5)
(1/8+5/6-3/4)÷(-1/24)=
计算题(要过程):①100÷(-2)^2-(-2)÷(-1/2) ②(4/3+1/8-2.75)*(-24)+(-1)^2003-|-2|^3
(1又1/24-(3/8+1/6-3/4)×24)÷5
[1又24/1-(3/8+1/6-3/4)×24]÷(-5)
(3/8+1/24+5/12)÷1/24
有理数除法,是强项的来,要正确的 我会给高分的刚才死机了①-5÷(-1/5)×(-2/9)+|-1/9|②[(+1/7)-(-1/3)-(+1/5)]÷(-1/105)③[1又1/24-(3/8+1/6-3/4)×24]÷(-5)④(-11又3/2)÷2-(-20又1/2)÷2+10.5÷2
{-3/4-5/8+7/12}÷1/24
1/6÷11/24-3/8×4/11=?
8/5÷5/9÷24 4/3×1/8÷8
观察下面三行数:①1,4,9,16,25,…②0,3,8,15,24,…
13又1/3-【1/8-1/4+1/6】÷1/24=简便计算.
[-24^4-(-2^5)+(-24)^4]*[-(2/3)÷1(7/8)*-(1/4)*4.5-6^2]÷32
[25/24-(3/8+1/6-3/4)×24]÷(-5)
七年级数学题(有理数的混合运算)①1/4-8.7-3.25+7/10②1-24×(-1+1又1/2-3/8+7/12)③2/3×(-6)-(-7)×(-2/3)-2/3×5④(125又5/7)÷(-5)⑤-6又2/3-8又2/3÷(-2)×2/13+2/3