The process and answer of the fourth grade off-balance-sheet calculation questions: 276-25+24-75 = = Thank you, 25 1+24-75 = 275 = 200.
400 Questions and Answers of Grade Four Calculations125× 6× 8 600 ÷ 25 ÷ 4 755-122-78138× 25× 4 25× 32125×/kloc.
4004×25 25× 16× 125 ( 125+ 16)×8 75×24 789×99 800÷ 125 1736+403 9999+999+99+9
158+262+ 138 375+2 19+38 1+225 500 1-247- 102 1-232 ( 18 1+2564)+27 19 378+44+ / kloc-0/ 14+242+22 2 276+228+353+2 19 (375+ 1034)+(966+ 125) (2 130+783+270)+ 10 17 899+344 7755-(2 / kloc-0/87+755) 22 14+638+286 3065-738- 1065
2357- 183-3 17-357 2365- 1086-2 14 497-299 2370+ 1995 3999+498 1883-398
( 13× 125)×(3×8)( 12+24+80)×50 704×25 25 25×32× 125 32×(25+ 125)88× 125 102×76 58×98 178×65438
2356-( 1356-72 1) 1235-( 1780- 1665) 75× 27+ 19× 25 3 1× 870.
(300+6) x1225x (4+8)125x (35+8) (13+24) x8 the second kind.
84x101504x25 78x102 25x204 third type
99x64 99x 16 638x99 999x99 the fourth kind
99x 13+ 13 25+ 199 x25 32x 16+ 14x 32 78 x4+78x 3+78x 3
Fifth place125x32x8 25x32x125 88x125 72x125 sixth place.
3600 ÷ 25 ÷ 48100 ÷ 475 3000 ÷125 ÷ 81250 ÷ 25 ÷ 5 Seventh.
1200-624-76 2100-728-772 273-73-27 847-527-273 Eighth.
278+463+22+37 732+580+2681034+780320+102425+14+186 Category IX
214-(86+14) 787-(87-29) 365-(65+118) 455-(155+230)
576-285+85 825-657+57 690- 177+77 755-287+87
Eleventh kind
871-299157-99 363-199 968-599 Twelfth.
178 x 10 1- 17883 x 102-83x 2 17x23-23x 7 35x 127-35x 16- 165448。
64 \ (8X2)1000 \ (125x4)No. 14
375x (109-9) 456x (99+1) error-prone types (* * * five types).
600-60÷ 15 20 x4÷20 x4 736-35 x20 25 x4÷25 x4 98- 18 X5+25 56 x8÷56 x8 280-80÷4 12 X6÷ 12 X6 175-75 25 25X8 25 x8 25X8 80-20 x2+60
102+ 1- 102+ 1 65+35x 13 25+75-25+75 40+360÷20- 10 13+24x 8 672-36+64 324-68+32 100-36+64
1, calculated by simple method.
585+ 189+2 15 248+ 146+ 154 768-274- 126
5.85+ 1.89+2. 15 24.8+ 14.6+ 15.4 5.85- 1.75-0.25
Reading a million volumes, if you write with a God's answer through your own thinking, you can't find the answer on the Internet.
Think more, it doesn't matter if the answer is wrong. The purpose of learning is to learn to think. Think more.
The answer to the fourth grade math problem 100 is 38× 99+38 75× 299+75102× 99+102 39+9× 39.
99× 128 + 128 27+99×27 34+ 199×34 35×99+35
6. Multiplication distribution law (3):
125×(8+80 ) (80+4)×25 8×( 125+9) (20+4)×25 32 ×(200+3) ( 125+ 17)×8
( 100+2)×99 102×( 100- 1) 25×(40+4) (25+ 100)×4 99×( 100+ 1) ( 125+40)×8
( 125+25)×8 99 ×( 100+7) 8 ×( 125+7) (30+25) ×4
7. Law of Multiplication and Distribution (4):
46× 102 48× 10 1 99×46 102×42 103×3 1 107× 16 108× 15 125×88
88× 102 102×99 39× 10 1 25×4 1 48× 10 1 20 1 ×24 302×43 102× 13
8. Constant quotient law:
300÷25 4000÷ 125 240÷5 600÷25 3200÷50
400÷25 150÷25 800÷25 2000÷ 125 9000÷ 125
Fourth, mixed operation.
672-672÷ 12×7 987÷(345-298)×65 2 10×[520÷(240-227)] 340-240÷20×5
30×(320- 170)÷90 [458-(85+28)]÷23 630×[840÷(240-2 12)] 408÷[5 12-( 178+283)]
864÷[(27-23)× 12] ( 105× 12-635)÷25 240- 140÷5×3 360-260÷20×5
104×48+272÷ 16 35+65÷5-20 240+ 180÷30×2 450÷30+20×3
146-(34+420÷70) 624÷[(27- 14)×4] (77-2 1÷7)×69 1 ( 165-65÷5)×5
840÷[( 120+ 195)÷ 15] [557-( 186+26)]÷23 375÷(25- 10)× 15 (659-34)? (280? 40)
720? [( 12+24)? 20] 15×27-200÷8 (324-285)× 12 ÷26 ( 160-48÷ 12)×4
336÷[(36-29)×6] 62×(300- 145÷5) 35×(320- 170)÷50 (36×54-984)÷24
150÷[90÷(67-52)] 659-34? (280? 40) 182÷[36÷( 12+6)] 640÷[(96-80)×4]
Simple calculation problems in grade four (with answers and processes) 61+4× 610+59× 61
=6 1+6 1×40+6 1×59
=6 1×( 1+40+59)
=6 1× 100
=6 100
99999×77778+33333×66666
=99999×77778+99999×22222
=99999×(77778+22222)
=9999900000
66×2 1+ 19×2 1+85× 19
=(66+ 19)×2 1+85× 19
=85×2 1+85× 19
=85×(2 1+ 19)
=85×40
=3400
99×99× 199
=( 100- 1)^2×(200- 1)
=( 10000+ 1-200)×(200- 1)
= 10000×(200- 1)-(200- 1)^2
= 1990000-40000- 1+400
= 1950399
Questions and Answers on Mathematical Division, Multiplication and Calculation in the second volume of Grade Four1.650 ÷ 50 = 9000 ÷ 300 = 7200 ÷ 90 = 4800 ÷ 600 = 2400 ÷ 80 = 2000 ÷ 400 = +0792 x÷48 = 1392 1392÷x = 48。 Show analysis iii. Vertical calculation of the following problems can be simplified. 3.5438+00640 ÷ 560 = 504900 ÷. And correct it. 4.x ÷ 25 = 25.x = 1。 () Display analysis 5. x÷ě28 =1008x =1008 ě 28x = 36. 023x = 174。 X. The display resolution is 7. x÷÷?920 = 46x = 920÷?46x = 20. The display resolution is 8.34800 ÷ 60 = 58. The display resolution is 9.15400 ÷ 5677; . Product = one factor × another factor; One factor x another factor = product; One factor = product ÷ another factor; Another factor = product ÷ one factor. Display analysis 12. Write the quotient and remainder of the following questions without calculation. 5 ÷ 2 = 2 … 1; 50÷20= 2… 10; 500 ÷ 200 = 2 ... 100. Display and analysis 13. Applying the relationship between multiplication and division, check the following formula. 129× 23 = 296758×154 = 89326675 ÷. Fill in the blanks with the relationship of division. × b = CB = c ÷ b a = c ÷ b a ÷ b = c (b ≠ 0) a = b ÷1c b = a ÷ C. display and analysis+05.58000.500000000005 Find a pattern to fill in the blanks. 17.35 ÷ = 7 (35+15) ÷ 5 = 35. Analysis 19. A ÷ 8 =□ (A+32) ÷ 8 = 6。 Display analysis 20.32 ÷□ = 4 (32 ÷ 4) ÷ (8 ÷□) = 4. Display analysis 2 1.
The fourth grade decimal addition and subtraction off-type calculation problem, the answer is 5. 12-3. 14+76.2=?
76.5-56.2+9. 12-63.25=?
89.23-(56.23+26.3)=?
Questions and Answers on Recursive Equation Calculation in Grade Four1.125 * 3+125 * 5+25 * 3+25.
2.9999*3+ 10 1* 1 1*( 10 1-92)
3.(23/4-3/4)*(3*6+2)
4.3/7 × 49/9 - 4/3
5.8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7.8× 5/4 + 1/4
8.6÷ 3/8 – 3/8 ÷6
9.4/7 × 5/9 + 3/7 × 5/9
10.5/2 -( 3/2 + 4/5 )
1 1.7/8 + ( 1/8 + 1/9 )
12.9 × 5/6 + 5/6
13.3/4 × 8/9 - 1/3
14.7 × 5/49 + 3/ 14
15.6 ×( 1/2 + 2/3 )
16.8 × 4/5 + 8 × 1 1/5
17.3 1 × 5/6 – 5/6
18.9/7 - ( 2/7 – 10/2 1 )
19.5/9 × 18 – 14 × 2/7
20.4/5 × 25/ 16 + 2/3 × 3/4
2 1. 14 × 8/7 – 5/6 × 12/ 15
22. 17/32 – 3/4 × 9/24
23.3 × 2/9 + 1/3
24.5/7 × 3/25 + 3/7
25.3/ 14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27.9/22 + 1/ 1 1 ÷ 1/2
28.5/3 × 1 1/5 + 4/3
29.45 × 2/3 + 1/3 × 15
30.7/ 19 + 12/ 19 × 5/6
3 1. 1/4 + 3/4 ÷ 2/3
32.8/7 × 2 1/ 16 + 1/2
33. 10 1 × 1/5 – 1/5 × 2 1
34.50+ 160÷40
35. 120- 144÷ 18+35
36.347+45×2-4 160÷52
37(58+37)÷(64-9×5)
38.95÷(64-45)
39. 178- 145÷5×6+42
40.8 12-700÷(9+3 1× 1 1)
4 1.85+ 14×( 14+208÷26)
43. 120-36×4÷ 18+35
44.(58+37)÷(64-9×5)
45.(6.8-6.8×0.55)÷8.5
46.0. 12× 4.8÷0. 12×4.8
47.(3.2× 1.5+2.5)÷ 1.6
48.6- 1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8- 1.2×5= 6- 1. 19×3-0.43=
50.6.5×(4.8- 1.2×4)=
5 1.5.8×(3.87-0. 13)+4.2×3.74
52.32.52-(6+9.728÷3.2)×2.5
53.[(7. 1-5.6)×0.9- 1. 15] ÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55. 12×6÷( 12-7.2)-6
56. 12×6÷7.2-6
57.0.68× 1.9+0.32× 1.9
58.58+370)÷(64-45)
59.420+580-64×2 1÷28
60. 136+6×(65-345÷23)
15- 10.75×0.4-5.7
62. 18. 1+(3-0.299÷0.23)× 1
63.(6.8-6.8×0.55)÷8.5
64.0. 12× 4.8÷0. 12×4.8
65.(3.2× 1.5+2.5)÷ 1.6
66.3.2×6+( 1.5+2.5)÷ 1.6
67.0.68× 1.9+0.32× 1.9
68. 10. 15- 10.75×0.4-5.7
69.5.8×(3.87-0. 13)+4.2×3.74
70.32.52-(6+9.728÷3.2)×2.5
7 1.[(7. 1-5.6)×0.9- 1. 15] ÷2.5
72.5.4÷[2.6×(3.7-2.9)+0.62]
73. 12×6÷( 12-7.2)-6
74. 12×6÷7.2-6
75.33.02-( 148.4-90.85)÷2.5
1) 76.(25%-695%- 12%)*36
77./4*3/5+3/4*2/5
78. 1- 1/4+8/9/7/9
79.+ 1/6/3/24+2/2 1
80./ 15*3/5