Look at the answers on page 1 for supplementary math exercises.
1, 7683844608 bit 6 times 128, and ten bits 3 times 128.
2、4890 14 1059996
3、7776 1 1638 1304 1
4.112×14 =1568 people.
Four math supplementary exercises page two answers
1、40048660 4804000480 9902800
2、592884 16 12285 1365 1 10450 10800
3.318×12 = 3816 kwh
4、 13807452 1890
Four math supplementary exercises page 3 answers
1、363604200 360400680 4604000
2、2436578 1 10506
3. 1 14×59=6726 minutes
4.144×15+40 = 2,200 copies.
5.128×15 =1920 yuan 198× 15=2970 yuan 2 18× 15=3270 yuan 2970 yuan.
Four math supplementary exercises page 4 answers
1、 1000? ? 4400840040000 1800039004800 4200
2. Omission
3、 13600972036400 2520043206000
4、240072004000
5.120×13 =1560 households.
Four math supplementary exercises page 5 answers
1、560? ? 56005600 5605600056000
2、2800? ? 3608400 1800 680030000
3、7560? ? 8 10067507320 8400 12720
4、64? ? 64064006400
5.120× 35 = 4200m2
Four math supplementary exercises page 6 answers
1、6900? ? 96077030000 84002400880 79004800
2、4320? ? 2 1000 186002430 60000 18000
3. Express delivery160× 20 = 3,200 kilometers.
Ordinary 106× 20 = 2 120km.
4.350×20=7500 kg =7.5 tons 7.5 tons > 5 tons is not enough.
5.90× 8× 30 = 21600m
Four math supplementary exercises page 7 answers
1、640? ? 2806600 69028006600
2、22950 1 1040
3、8736 1 12804260
4、66063004 150 72606930495
5.( 1)480× 12=5760 yuan (2)248×20=4960 yuan and 4960 < 5000 is enough.
Four math supplementary exercises page 8 answers
1、270? ? 5606000 2705606000
2、630? ? 10004900
3.440× 25 = 1 1 000kg =11ton.
4. (1) 26× 20+40×15 =120kg (2) The pear is 40× 15-26× 20 = 80kg.
Four math supplementary exercises page 9 answers
1 ,= & lt； & lt& gt
2、2438 1 134023800
(1)165×12 =1980 yuan.
(2) 800×12 = 9600g
4.( 1 18+78)×5=980 yuan.
5、203×26=5278
Look at the answers on page 10 of supplementary math exercises.
1, the third one
2. Select 1 34.
3. Omission
Four supplementary exercises in mathematics 1 1 answers.
1, omitted
2、 5 12
3, 5 liters, 20 liters, 10 liters
4, salad oil cola refrigerator rice cooker, etc.
Look at the answers on page 12 of supplementary math exercises.
1, select the second group.
2,15ml150ml
3、 20004 8000 6 100009
4.250ml×4 = 1L 100ml× 10 = 1L
5, 200 ml 250 ml 300 ml
Look at the answers on page 13 of supplementary math exercises.
1、 158? ? 720900 15807202700 158007200 1800
2 、& lt& gt& lt& lt= =
3, 2, 3 and 5 bottles
4, water 150ml milk 300ml
5, Mengniu Zhiduoxing milk 190 ml hero ink 60 ml Rejoice shampoo 400 ml, etc.
Look at the answers on page 14.
1, 200ml, 500ml, 2.5l, 20l.
2 、= >; & lt& lt
3 ml, liter ml
4. Omission
Page 15 Answer:
1、2 100084056000 200003700960 840048008800