6.25-40/16*2.5简算

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flora_tuna 共回答了16个问题 | 采纳率87.5%
6.25-40/16*2.5
=6.25-40/[4*(4*2.5)]
=6.25-40/(4*10)
=6.25-40/40
=6.25-1
=5.25
1年前
打枪的不要 共回答了111个问题 | 采纳率
6.25
1年前
xiaohaha2006 共回答了471个问题 | 采纳率
6.25-40/(16*2.5)
=6.25-40/(4*4*2.5)
=6.25-40/(4*10)
=6.25-1=5.25
1年前

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脱式计算①6.25-40÷16×2.5② 1 12 +(4 5 12 -3 1 2 )÷ 11 24 ③(8 5 6 -
脱式计算
①6.25-40÷16×2.5
1
12
+(4
5
12
-3
1
2
)÷
11
24

③(8
5
6
-10.5×
4
5
)÷4
1
3

④2
7
20
÷[5
3
4
-4.5×(20%+
1
3
)].
4101058307021年前1
czm1288 共回答了15个问题 | 采纳率93.3%
①6.25-40÷16×2.5
=6.25-40×2.5÷16,
=6.25-100÷16,
=6.25-6.25,
=0;


1
12 +(4
5
12 -3
1
2 )÷
11
24
=
1
12 +(
53
12 -
42
12 )×
24
11 ,
=
1
12 +
11
12 ×
24
11 ,
=
1
12 +2,
=2
1
12 ;

③(8
5
6 -10.5×
4
5 )÷4
1
3
=(8
5
6 -8
2
5 ) ÷
13
3 ,
=(
53
6 -
42
5 )×
3
13 ,
=(
265
30 -
252
30 )×
3
13 ,
=
13
30 ×
3
13 ,
=
1
10 ;

④2
7
20 ÷[5
3
4 -4.5×(20%+
1
3 )].
=2.35÷[5.75-(4.5×20%+4.5×
1
3 )],
=2.35÷[5.75-(0.9+1.5)],
=2.35÷[5.75-2.4],
=2.35÷3.35,
=
47
67 .
脱式计算6.25-40÷16×2.51.8×0.2+2.2×25%2700×(506-499)÷90033.02-(14
脱式计算
6.25-40÷16×2.5
1.8×0.2+2.2×25%
2700×(506-499)÷900
33.02-(148.4-90.85)÷2.5
18.1÷(3-0.299+0.23)×1.
lapen1年前1
chenyongchun2 共回答了16个问题 | 采纳率87.5%
(1)6.25-40÷16×2.5,
=6.25-2.5×2.5,
=6.25-6.25,
=0;

(2)1.8×0.2+2.2×25%,
=0.36+0.55,
=0.91;

(3)2700×(506-499)÷900,
=2700×7÷900,
=18900÷900,
=21;

(4)33.02-(148.4-90.85)÷2.5,
=33.02-57.55÷2.5,
=33.02-23.02,
=10;

(5)18.1÷(3-0.299+0.23)×1,
=18.1÷(2.701+0.23)×1,
=18.1÷2.931×1,
=
18100
2931 ×1,
=
18100
2931 .
脱式计算6.25-40÷16×2.5
脱式计算
6.25-40÷16×2.5
1.8×0.2+2.2×25%
2700×(506-499)÷900
33.02-(148.4-90.85)÷2.5
18.1÷(3-0.299+0.23)×1.
colonelfox1年前1
claresh 共回答了20个问题 | 采纳率95%
(1)6.25-40÷16×2.5,
=6.25-2.5×2.5,
=6.25-6.25,
=0;

(2)1.8×0.2+2.2×25%,
=0.36+0.55,
=0.91;

(3)2700×(506-499)÷900,
=2700×7÷900,
=18900÷900,
=21;

(4)33.02-(148.4-90.85)÷2.5,
=33.02-57.55÷2.5,
=33.02-23.02,
=10;

(5)18.1÷(3-0.299+0.23)×1,
=18.1÷(2.701+0.23)×1,
=18.1÷2.931×1,
=[18100/2931]×1,
=[18100/2931].
5道简便运算练习题 1.9又2/5-(3又3/7+0.4)=2.6.25-40÷16*2.5=3.9204÷13+19*
5道简便运算练习题
1.9又2/5-(3又3/7+0.4)=
2.6.25-40÷16*2.5=
3.9204÷13+19*107=
4.1.8*1/4+32*2.5%-1÷4=
5.1*3*5+2*6*10+3*9*15+4*12*20
←分数线→ =
1*2*3+2*4*6+3*6*9+4*8*12
许彩虹1年前1
da3head 共回答了17个问题 | 采纳率94.1%
1、47/5-24/7-2/5=9-24/7=39/7=5又4/7
2、6.25-5/2*5/2=6.25-6.25=0
3、708+2033=2741
4、9/20+4/5-1/4=9/20+16/20-5/20=1
5、(15+1120+405+960)/(6+48+162+384)
=2500/600
=25/6