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May I ask a math problem (number fan): Pan Pan Pan △ 9 = open China looks forward to the Olympics, open China looks forward to the Olympics =?
777777777÷9=86419753
Open China looking forward to the Olympic Games = 86419753
This is just a test
It's 777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777
Xiao Li borrowed a 150 page story book. She read 60 pages in three days. At this speed, can she finish it in a week?
① So she can't finish it in a week. A: at this speed, she can't finish it in a week
Take off the formula and solve the equation. Let's see, 3.75 + three seventeen ＋ 6.43 one eighth ＋ 0.75 + two fifths
3.75 + 3 / 17 + 6.43 + 1 / 8 + 0.75 + 2 / 5
X + 13 / 5 = 3 7 / 2 - x = 4 / 5 + 11 / 13
Six out of seven - x = one third, two out of nine + x = five out of eighteen
Every step. Is 30 points enough? If not, give it again
3.75 + 3 / 17 + 6.43 = 10.18 + 3 / 17 = 10 and 303 / 850 1 / 8 + 0.75 + 2 / 5 = 1 / 8 + 3 / 4 + 2 / 5 = 5 / 40 + 30 / 40 + 16 / 40 = 51 / 40x + 13 / 5 = 3 x = 3-13 / 5x = 15 / 5-13 / 5x = 2 / 5 7 / 2 - x = 4 / 5 + 11 / 13 x = 7 /
3.75 + 3 / 17 + 6.43
=1018/100+3/17
=（17306+300）/1700
=17606/1700
=8803/850
One eighth + 0.75 + two fifths
=1/8+3/8+2/5
=0.5+0.4
=0.9
X + 13 / 5 = 3
x=3-2.5=2.5
Seven out of two
3.75 + 3 / 17 + 6.43
=1018/100+3/17
=（17306+300）/1700
=17606/1700
=8803/850
75 + 1 / 5
=1/8+3/8+2/5
=0.5+0.4
=0.9
X + 13 / 5 = 3
x=3-2.5=2.5
7 / 2 - x = 4 / 5 + 11 / 13
x=3.5-0.4-11/13
=31/10-13/11=(341-130)/110
=211/110
Six out of seven - x = one third
x=(18-7)/21
=11/21
2 / 9 + x = 5 / 18
x=(5-4)/18
=1 / 18 question: is there anyone who can make an appointment
In the 28th Athens Olympic Games, China won 32 gold medals. In the 29th Beijing Olympic Games, China won 51 gold medals. In the two Olympic Games, China won the number of gold medals
In the 15th Doha Asian Games, China won 165 gold medals, in the 16th Guangzhou Asian Games, China won 199 gold medals, and in the two Asian Games, China won () gold medals
The ratio of gold medals won by China in the two Olympic Games is (32:51)
In the 15th Doha Asian Games, China won 165 gold medals. In the 16th Guangzhou Asian Games, China won 199 gold medals. The ratio of gold medals won in the two Asian Games is (165:199)
In the 28th Athens Olympic Games, China won 32 gold medals. In the 29th Beijing Olympic Games, China won 51 gold medals. The ratio of gold medals won by China in the two Olympic Games is (32:51). In the 15th Doha Asian Games, China won 165 gold medals. In the 16th Guangzhou Asian Games, China won 199 gold medals. The ratio of gold medals won in the two Asian Games is (165:199). These two ratios (n can't) make up the proportion. ... unfold
China won the gold medal in the 32nd Olympic Games, compared with China's 51st in the 29th Olympic Games. In the 15th Doha Asian Games, China won 165 gold medals. In the 16th Guangzhou Asian Games, China won 199 gold medals. The ratio of gold medals won in the two Asian Games is (165:199). These two ratios (n can't) make up the proportion. Put it away
Xiao Li borrowed a 150 page story book. She read 60 pages in three days. At this speed, can she finish it in a week?
① So she can't finish it in a week. A: at this speed, she can't finish it in a week
-1 / 2 - (+ 2 / 4) - (- 2.75)
There are negative numbers and absolute values,
2-1 / 2 - (- 1 / 2)
=0.4-1.5-2.25+2.75
=-1.1+0.5
=-0.6
1. The Chinese characters below represent different numbers. What do they represent? Beijing hosts the Olympic Games
2. The sum of three consecutive even numbers is x, of which the largest is () and the smallest is ()
1. 142857*7=999999
2. What does this mean? What is x? Or is it expressed by formula? That is x / 3 + 2, X / 3-2
1…… 142857x7=999999
2…… x/3+2, x/3-2
Xiao Li read an average of 18 pages a day for three days before reading a story book, and every day for the next three days
Xiao Li read a story book. In the first three days, she read 18 pages a day on average. In the last three days, she read 1 / 6 more than in the first three days, and the rest was 5 / 9 less than what she had read. How many pages are there in this book?
[3 * 18 + 3 * 18 * (1 + 1 / 6)] / {1 + (1-5 / 9)] = (54 + 63) / 13 / 9 = 169 (page)
Sixth grade volume I mathematics problem 100, can have off formula calculation, simple operation (better less), solving equations, useful + reward, urgent!
Must take the answer, useful to 80 reward
32×125×25
=4×8×125×25
=（4×25）×（8×125）
=100×1000
=100000 9048÷26
=（2600+2600+2600+1248）÷26
=2600÷26+2600÷26+2600÷26+1248÷26
=100+100+100+48
=348
2881÷ 43
=（1290+1591）÷ 43
=1290÷43+1591÷43
=30+37 =67 3.2×42.3×3.75-12.5×0.423×16
=3.2×42.3×3.75-1.25×42.3×1.6
=42.3×(3.2×3.75-1.25×1.6)
=42.3×(4×0.8×3.75-1.25×4×0.4)
=42.3×(4×0.4×2×3.75-1.25×4×0.4)
=42.3×(4x0.4x7.5-1.25x4x0.4)
=42.3×[4×0.4×(7.5-1.25)]
=42.3×[4×0.4×6.25]
=42.3×(4×2.5)
=423
1.8+18÷1.5-0.5×0.3
=1.8+12-0.15
=13.8-0.15
=13.65
6.5×8+3.5×8-47
=52 + 28-47 = 80-47 = 33 (80-9.8) × 2 / 5-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76
8 × 4 / 7 ^ [1 ^ (3.2-2.95)]
=8×4/7÷[1÷0.25]
=8×4/7÷4
=8/7
2700×（506－499）÷900
=2700×7÷900
=18900÷900
=21
33.02－（148.4－90.85）÷2.5
=33.02－57.55÷2.5
=33.02－23.02
=10
（1÷1－1）÷5.1
=（1－1）÷5.1
=0÷5.1
=0
18.1＋（3－0.299÷0.23）×1
=18.1＋1.7×1
=18.1＋1.7
=Finally, I wish you progress in your study!
22×4＋221 21×3＋410 40÷2＋174
147＋72÷8 9×4＋420 2×80÷4
120×5÷2 202＋36÷9 30÷5＋240
81 △ 9 + 877 66 × 5 + 774
22×4＋221 21×3＋410 40÷2＋174
147＋72÷8 9×4＋420 2×80÷4
120×5÷2 202＋36÷9 30÷5＋240
81÷9＋877 66×5+774 921+7×4
80×6×2 770÷7+65 807＋20÷2
100－50÷5 35－35÷7 302＋30×2
600×8÷3 40＋100÷5 434＋25×5
60－12×3 64÷8＋456 640＋60×4
5×7－48÷6 42÷7＋36÷6 37×4＋19×8
10×4－20÷4 15÷3＋10÷5 25÷5＋42÷6
35÷5＋8×7 72÷9－36÷6 21×4－54÷9
72÷8＋9×5 36÷4＋21×2 25÷5－16÷4
56÷7＋36÷6 500×(400－396) 72÷9－5
564+264-453 7650-(546+4530) 65×9-450
9×80+980 9000-(4500+250) 6700+72÷8
14×6+9×5 900÷(71-68) 180÷9-42÷6
12÷6＋45×3 8×(910-720) 760-540+1110
6500+1250-3500 80×30+5600 9450-3200-4200
2400÷6－45 800× 7－180 1600÷2＋230
4000 ÷ 8 + 350 320÷8＋64 270 ÷ 3 ×9
630 ÷ 9 + 320 2800+32× 6 300÷6×9
(6900-2400)÷ 5 （72÷9）÷(56÷8) 54 ÷ 9 ×8
280× 4 ÷5 60×8+1570 60×(23-17)
960÷4×9 350÷5×9 450÷5+1250
(6900-2400)÷5 75÷15＋20×5 3090＋6×6
(387－387)＋0 160－160÷80 750＋550÷5
(111＋189)×3 125×8÷100 6×250×0
(1＋7)×(16－6) 810×4÷4 33÷11＋4×9
187＋299－299 587＋496－674 2660＋26÷26
153÷153+657 32÷(32÷16) 300－(300－222)
75÷15＋20×5 （150－75）×（25－20）
3390－10×95 687＋（99－67）
1000＋（1000－988） 3560＋20×90
（250－150）÷(30÷6) 687＋999÷3
（4870-3675）＋7200÷9 (9467-5642)÷(350÷70)
Put away the calculator if you don't want to use it
1.25*（8+10)
32×125×25
=4×8×125×25
=（4×25）×（8×125）
=100×1000
=100000 9048÷26
=（2600+2600+2600+1248）÷26
=2600÷26+2600÷26+2600÷26+1248÷26
=100+100+100+48
=348
2881÷ 43
=... unfold
32×125×25
=4×8×125×25
=（4×25）×（8×125）
=100×1000
=100000 9048÷26
=（2600+2600+2600+1248）÷26
=2600÷26+2600÷26+2600÷26+1248÷26
=100+100+100+48
=348
2881÷ 43
=（1290+1591）÷ 43
=1290÷43+1591÷43
=30+37 =67 3.2×42.3×3.75-12.5×0.423×16
=3.2×42.3×3.75-1.25×42.3×1.6
=42.3×(3.2×3.75-1.25×1.6)
=42.3×(4×0.8×3.75-1.25×4×0.4)
=42.3×(4×0.4×2×3.75-1.25×4×0.4)
=42.3×(4x0.4x7.5-1.25x4x0.4)
=42.3×[4×0.4×(7.5-1.25)]
=42.3×[4×0.4×6.25]
=42.3×(4×2.5)
=423
1.8+18÷1.5-0.5×0.3
=1.8+12-0.15
=13.8-0.15
=13.65
6.5×8+3.5×8-47
=52 + 28-47 = 80-47 = 33 (80-9.8) × 2 / 5-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76
(2.2 × 95)
=8×4/7÷[1÷0.25]
=8×4/7÷4
=8/7
2700×（506－499）÷900
=2700×7÷900
=18900÷900
=21
33.02－（148.4－90.85）÷2.5
=33.02－57.55÷2.5
=33.02－23.02
=10
（1÷1－1）÷5.1
=（1－1）÷5.1
=0÷5.1
=0
18.1＋（3－0.299÷0.23）×1
=18.1＋1.7×1
=18.1＋1.7
=19.8 finally, I wish you progress in study
9 × 5/6 + 5/6
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A Chinese character represents a number, the same Chinese character represents the same number
Is the title not finished
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