1+2+3+4+5+6+7+8+9+10+61+452+4142

想飞的猪猪12022-10-04 11:39:541条回答

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清水宜寒 共回答了20个问题 | 采纳率100%
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1+1+2+4+4+8+856+5+12+3+54++4+2341+24+52+52+4+1++452+52+4+24+
1+1+2+4+4+8+856+5+12+3+54++4+2341+24+52+52+4+1++452+52+4+24+2+421++4+224+45++4+56+4+4+52+45+2412=?
mounteagle1年前1
yej66 共回答了21个问题 | 采纳率90.5%
=16+856+74+4+2341+24+52+52+4+1+452+52+4+24+2+421+4+224+45+4+56+8+52+45+2412
=872+78+2341+24+104+5+452+56+26+425+224+49+269+49+64+45+2412
=7495
x+3x-18+(x-5)/2=452
忧郁秦俑1年前1
annacoco 共回答了18个问题 | 采纳率94.4%
4x-18+x/2-5/2=452
9x/2-41/2=452
9x-41=904
9x=945
x=105
452÷20+109×43= 101×92-92= 907×99+907= 274+299+201+326= 6.5×9
452÷20+109×43= 101×92-92= 907×99+907=
274+299+201+326= 6.5×99+6.5= 31.25÷25×0.5=
3.8×4.2+38×0.58= 13-
7
8
+
1
8
=
1
2
+
1
3
+
1
6
)×2×3×4=
3
7
×(
4
5
-
2
3
)÷
3
15
=
36÷[(
5
6
-
2
3
)×3]=
1
8
÷(
1
4
+2.5×
4
5
)=
chenhuajun555551年前1
蕙梨一 共回答了15个问题 | 采纳率100%
(1)452÷20+109×43
=22.6+4687,
=4709.6;

(2)101×92-92,
=(101-1)×92,
=100×92,
=9200;

(3)907×99+907,
=(99+1)×907,
=100×907,
=90700;

(4)274+299+201+326,
=(274+326)+(299+201),
=600+500,
=1100;

(5)6.5×99+6.5,
=(99+1)×6.5,
=100×6.5,
=650;

(6)31.25÷25×0.5,
=1.25÷0.5,
=2.5;

(7)3.8×4.2+38×0.58
=38×0.42+38×0.58
=(0.42+0.58)×38,
=1×0.38,
=38;

(8)13-
7
8 +
1
8
=12
1
8 +
1
8 ,
=12
2
8 ;

(9)(
1
2 +
1
3 +
1
6 )×2×3×4
=(
1
2 +
1
3 +
1
6 )×24,
=
1
2 ×24+
1
3 ×24+
1
6 ×24,
=12+8+4,
=24;

(10)
3
7 ×(
4
5 -
2
3 )÷
3
15
=
3
7 ×(
4
5 ×
15
3 -
2
3 ×
15
3 ),
=
3
7 ×(
12
3 -
10
3 ),
=
3
7 ×
2
3 ,
=
2
7 ;

(11)36÷[(
5
6 -
2
3 )×3]
=36÷[
1
6 ×3],
=36 ÷
1
2 ,
=72;

(12)
1
8 ÷(
1
4 +2.5×
4
5 )
=
1
8 ÷[
1
4 +2],
=
1
8 ×
4
9 ,
=
1
18 .