1.44÷x=0.4

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weiyu220 共回答了15个问题 | 采纳率100%
1.44÷x=0.4
x=1.44/0.4
x=3.6
1年前
tzmjj 共回答了491个问题 | 采纳率
x=1.44÷0.4
x=3.6
祝你学习进步,采纳哦,谢谢。
1年前
lijie_1030 共回答了525个问题 | 采纳率
1.44÷x=0.4

1.44/x=0.4

1.44=0.4x

x=1.44/0.4=3.6
1年前

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x/1.44=0.4 x=?
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x/1.44=0.4x
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貌似就这样了
x/1.44=0.4 x=?
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x=0.4*1.44=0.576
3.5x+x=0.9 7.2(x-5)=1.44
3.5x+x=0.9 7.2(x-5)=1.44
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(1)4.5X=0.9
x=0.2
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7.2x=37.44
X=5.2
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若X~B(n,p),且E(x)=2.4,D(x)=1.44,则n=?,p=?,P{x=0}=?
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X服从二项分布,E(X)=np,D(X)=np(1-p),所以E(X)=np=2.4,D(X)=np(1-p)=1.44所以n=4,p=0.6.P{X=0}=0.4^4=0.0256
0.56÷0.04= 1.44÷2= 24.6÷0.6= 4.5÷0.15= 0.63÷0.09= 12.84÷1.2=

0.56÷0.04=
1.44÷2=
24.6÷0.6=
4.5÷0.15=
0.63÷0.09=
12.84÷1.2=
3.9÷0.13=
1.6÷1.6=
20÷0.25=
1.3÷2.5=
100÷12.5=
7.8÷0.13=
3.24÷0.8=
13×1.1=
5.46÷3=
4.07×3=
5.28t-1.99t=
0.6+89=
5.7×0.1=
1.6÷0.4=
6÷0.3=
5÷0.25=
0.45×3=
0.35×8=
7.1-0.76=
1.2×0.3=
0.76÷4=
1.9×0.8=
4.2-2.8=
7.2÷1.6=
19.8+3.2=
18-17.45=
4.5+1.5=
0.75x+0.25x=
2.5×4=
0.46÷2=
0.7×1.4=
1-0.92=
8×0.125=
3.4÷20=
10a-1.8a=
4.8×0.2=
0.3÷0.15=
0.15÷2=
0.2×0.5=
2.2-1.8=
3.1+1.75=
32.8+1.9=
0.42×0.5=
0.76+1.24=
3.06-0.72=
0.51÷17=
5.2÷13=
8.2×0.01=
1.72-0.73=
1.6×0.4=
4.8b+3.2b=
2.5×4=
0.3×101=
1.2×0.5=
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0.56÷0.04=14, 1.44÷2=0.72, 24.6÷0.6=41, 4.5÷0.15=30,
0.63÷0.09=7, 12.84÷1.2=10.7, 3.9÷0.13=30, 1.6÷1.6=1,
20÷0.25=80, 1.3÷2.5=0.52, 100÷12.5=8, 7.8÷0.13=60,
3.24÷0.8=4.05, 13×1.1=14.3, 5.46÷3=1.82, 4.07×3=12.21,
5.28t-1.99t=3.29t, 0.6+89=89.6, 5.7×0.1=0.57, 1.6÷0.4=4,
6÷0.3=20, 5÷0.25=20, 0.45×3=1.35, 0.35×8=2.8,
7.1-0.76=6.34, 1.2×0.3=0.36, 0.76÷4=0.19, 1.9×0.8=15.2,
4.2-2.8=1.4, 7.2÷1.6=4.5, 19.8+3.2=23, 18-17.45=0.55,
4.5+1.5=6, 0.75x+0.25x=x, 2.5×4=10, 0.46÷2=0.23,
0.7×1.4=0.98, 1-0.92=0.08, 8×0.125=1, 3.4÷20=0.17,
10a-1.8a=8.2a, 4.8×0.2=0.96, 0.3÷0.15=2, 0.15÷2=0.075,
0.2×0.5=0.1, 2.2-1.8=0.4, 3.1+1.75=4.85, 32.8+1.9=34.7,
0.42×0.5=0.21, 0.76+1.24=2, 3.06-0.72=2.34, 0.51÷17=0.03,
5.2÷13=0.4, 8.2×0.01=0.082, 1.72-0.73=0.99, 1.6×0.4=0.64,
4.8b+3.2b=8b, 2.5×4=10, 0.3×101=30.3, 1.2×0.5=0.6. 故答案为:14,0.72,41,30;7,10.7,30,1;80,0.52,8,60;4.05,14.3,1.82,12.21;3.29t,89.6,0.57,4;20,20,1.35,2.8;6.34,0.36,0.19,15.2;1.4,4.5,23,0.55;6,x,10,0.23;0.98,0.08,1,0.17;8.2a,0.96,2,0.075;0.1,0.4,4.85,34.7;0.21,2,2.34,0.03;0.4,0.082,0.99,0.64;8b,10,30.3,0.6.
1.2+1.44*(0.1-0.05)
1.2+1.44*(0.1-0.05)
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=1.2+1.44*0.05
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①原式=1.2+0.4-(-1)-2=0.6;
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(1加百分之20的和)的(1分之2)次方=1.44
也就是1.2的平方=1.44
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1.44除以3.6,再减去0.04,得0.36
()×()=1.44 ()×()=11 ()x()=21 ()x()
()×()=1.44 ()×()=11 ()x()=21 ()x()
()×()=1.44 ()×()=11 ()x()=21 ()x()=7 括号里填两个相同的数,﹏速速回答*,
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()×()=16 ()×()=1.44 ()×()=7 ()×()=11 ()×()=81 ()×()=21
()×()=16 ()×()=1.44 ()×()=7 ()×()=11 ()×()=81 ()×()=21
()中数字要相同
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