25×42×4
68× 125×8
4×39×25
4×25+ 16×25
4×25× 16×25
36×99
(25+ 15)×4
(25× 15)×4
49×49+49×5 1
49×99+49
(68+32)×5
5×289×2
68+32×5
( 125×25)×4
( 125+ 17)×8
25×64× 125
85×82+82× 15
25×97+25×3
64× 15- 14× 15
125×88
88× 102
87×99+87
79×25+25
76× 10 1-76
378+527+73
167+289+33
58+39+42+6 1
36×45+36×56-36
66×93+93×33+93
99×32
46×25
36×45+36×56-36
66×93+93×33+93
97+89+ 1 1
88× 102
125×88
26+47+ 174
85+47+ 15+53
8 15+49+65+ 14+ 1 1
72× 125
18+77+40+23+48
7 1+73+69+74+68+70+69
123×64+ 123×36
39×4×5
125×6×8
25×24
32×305
103× 15
78×24-24×68
49×49+49×(40+6)×25
(68+32)×5
68+32×5
49×99+49
36×97-58×36+6 1×36
3000÷25÷47
20÷ 15÷6 1
50÷25÷2
5000÷8÷ 125
99×23+23
56×7+45×7-7 1
25× 13×8
72÷6×(5 1+ 19)
3.4+4.6-2.9
900- 178- 122
(79+2 1)÷20
125×72×47
28×79+2
72×79
8.59+2.57+3.43+5.47
(20+4)×25
99× 1 1
49.62+27. 17- 19.62
1546 I (546-239)
(20+4)×25
9×37+9×63
5×289×235×37+65×37
124×25-25×24
85×82+82× 15
32×(200+3)38×29+38
( 125×25)×4
75×299+75
(4+8)× 125
25×(20+4)
45×7+55×7
8×27+8×73
103×32
329× 10 1
9×37+9×63
99×23
36×97-58×36+6 1×36
( 125+ 17)×8
102X 100+ 102
8X 12+8X7
5000÷8÷ 125
165+204+335+96
3000÷25÷4
56×7+45×7-7
720÷ 15÷6
150÷25÷2
The first volume of grade four has 200 simple math problems, 375+2 19+38 1+225.
500 1-247- 102 1-232
( 18 1+2564)+27 19
378+44+ 1 14+242+222
276+228+353+2 19
(375+ 1034)+(966+ 125)
(2 130+783+270)+ 10 17
99+999+9999+99999
The second volume of fourth grade mathematics is 330÷99×3. The simple operation is 330÷99×3.
=330×3÷99
=990÷99
= 10
Hope to adopt
Math Week Notes in Volume II of Grade Four [Simple Operation] This week we learned [Simple Operation]. Because of mastering the calculation skills, the calculation efficiency has improved a lot. The skill of simple operation lies in "signed movement", adding and subtracting parentheses (minus sign, adding and subtracting parentheses in division sign will change sign), making up an integer and so on. As long as we master the operation skills skillfully, no matter how big the number is or how long the formula is, it is not difficult for us.
Who has a set of simple math operation exercises in the fourth grade of primary school?
( 13×8)× 125 20×( 17×5) 14×20×5 276×38+276×62 102×26
25×(40×32) (5×7)×80 8× 14× 125×6 16×25×5×4 25× 13×4
3× 12×5 23×4×5 40×7×3×5 25×6×4×5 3475- 1999
2843-598
(8×6)× 125 4×8×25× 125 259+468+74 1+532 36×25 ( 15+25)×2
3700-2 185-8 15 12×25 28×25 125×(8+4) 25×(8+40)
125×24 25×24 16×25× 19 32× 125 44×250 125×56
20× 12×5×3 724-298 25× 16 75×25×2×4 345+497
16×(37+ 12) 48× 19+52× 19 64× 125 25×48 (25+7)×4
32+ 144+68+56 847-2974×7×25×3 60×( 15+500) 248+ 198 435+ 1999
8×( 125+9) 46× 18+54× 18 (400+ 16)×5 170×4+80×4 103×56
13×68+ 13×32 (2+4)× 15 5×(20+6) 8×23+8×27 9×6+4×9
6×29+6×7 1 5× 1 16+5×84 ( 125+ 12)×8 29×3 17+3 17×7 1
99× 14 75×99+75 102×36 49×80+80 230-2 16- 184 48× 125
(25×30)×4 18×8× 125×2 125×(8×6) 25×44 4×20×75×5
67×9+33×9 4×(25×30) 4×(25+ 150+75) 12× 15+ 12×35 32×25
13×5+4 1×5+26×5 5×( 18+20) 52×98 9×99+99 36×5+36×5 38×99+38
5×( 18×20) 3 1× 128-28×3 1 (25+250)×4 ( 125× 125)×8
46× 10 1
The second volume of grade four is a simple operation of 100. Hello, I'm glad to answer your question. The following is my answer.
158+262+ 138
375+2 19+38 1+225
500 1-247- 102 1-232
( 18 1+2564)+27 19
378+44+ 1 14+242+222
276+228+353+2 19
(375+ 1034)+(966+ 125)
(2 130+783+270)+ 10 17
99+999+9999+99999
7755-(2 187+755)
22 14+638+286
3065-738- 1065
899+344
2357- 183-3 17-357
2365- 1086-2 14
497-299
2370+ 1995
3999+498
1883-398
12×25
75×24
138×25×4
( 13× 125)×(3×8)
( 12+24+80)×50
704×25
25×32× 125
32×(25+ 125)
88× 125
102×76
58×98
178× 10 1- 178
84×36+64×84
75×99+2×75
83× 102-83×2
98× 199
123× 18- 123×3+85× 123
50×(34×4)×3
25×(24+ 16)
178×99+ 178
79×42+79+79×57
7300÷25÷4
8 100÷4÷75
16800÷ 120
30 100÷2 100
32000÷400
49700÷700
1248÷24
3 150÷ 15
4800÷25
2 1500÷ 125
2356-( 1356-72 1)
1235-( 1780- 1665)
75×27+ 19×2 5
3 1×870+ 13×3 10
4×(25×65+25×28)
( 1)(78+6 1)+39 (2)700-82- 18
(3)348+ 163+242+4 10+537
(4) 125×47-47×25 (5)20 1×3 16
(6)374-205+226-95 (7)3000-999
(8)997×7+2 1 (9)87×470+870×53
( 10)(55+55+55+55×5)× 125
( 1 1) 125×(8+40)×25 ( 12)99+49×99
( 13)264×97+4×264
( 14)454+999×999+545
( 15)9999×36+6666×3×32
( 16) 124×38+65× 124+76× 1 10-76×7
( 17)62×4+44×5+5× 18
( 18)3400-62×34-38×20-38× 14
( 19) 1992× 199 1 199 1- 199 1× 1990 1990
(20(2+4+6+……+ 100)-( 1+3+5+……+99)
1.2.73 + 0.89 + 1.27
2.4.37 + 0.28 + 1.63 + 5.72
1. 10 - 0.432 - 2.568
2.9.3 - 5.26 - 2.74
3. 13.4-(3.4+5.2)
4. 14.9-(5.2+4.9)
5. 18.32 - 5.47 - 4.32
6. 17.29 - 5.28 - 6.29
1.25 × 6.8 × 0.04
2.0.25 × 32 × 0. 125
3.6.4 × 1.25 × 12.5
1.0.45 × 20 1
2.0.58 × 10. 1
3.50.2 × 99
4.4.7 × 9.9
5.3.28 × 5.7 + 6.72 × 5.7
6.2. 1 × 99 + 2. 1
7. 1.7 × 9.9 + 0. 17
8.23 × 0. 1 + 2.3 × 9.9
1.0. 18 +4.26 -0. 18 +4.26
2.0.58 × 1.3 ÷ 0.58 × 1.3
3.7.3 ÷4 + 2.7 × 0.25
4.3.75 × 0.5 - 2.75 ÷ 2
5.5.26 × 0. 125 + 2.74 ÷ 8
a ÷ b ÷ c = a ÷ (b × c)
6.6.3 ÷ 1.8
7.4.2 ÷ 3.5
8.9.5 ÷( 1.9 × 8)
9. 12.8 ÷ (0.4 × 1.6)
10.930 ÷ 0.6 ÷5
1 1.63.4 ÷ 2.5 ÷ 0.4
12.(7.7 + 1.54)÷ 0.7
13.( 1 1.7 + 9.9)÷ 0.9
I hope you can adopt it.
How to calculate 576+599 in the second volume of fourth grade mathematics simply?
=576+600- 1
= 1 176- 1
= 1 175
The problem of simple decimal operation in the second book of mathematics in grade four is urgent. ①24÷0.2× 1.6 ② 19×2.6+2.6×0. 1 ③5. 1+34. 1÷2.2
④0.2 1×99+0.2 1 ⑤88.5÷0.8÷ 125 ⑥ 1.85×20 1
①6.8×0.56+0.44×6.8 ②9.6× 10. 1 ③ 1 1.25÷0.9-0.3
④7.2÷0.25÷0.4 ⑤( 16+ 1.48÷3.7)÷0.82 ⑥4.8×99+4.8
In the fourth grade of primary school, the second volume of mathematical decimals is simple to calculate! Give you 20 ways:
9 1.4-(7+ 1 1.4),92-55.2+25.2,75÷8÷ 12.5,224÷32÷25
137.5÷(5.5×2.5), 162-50.5-49.5,8.66×4.7+8.66×5.3,9.5×78
5×0.6 1-5×0.39, 195÷52÷2.5,28.925÷6.5÷0.5,9×8× 1.25
8+ 16.9+2, 142-55-45,7.95×9. 1+7.95×0.9, 150.3-(39.9+50.3)
7 1.5+(2 1+88.5), 164+536.9- 136.9, 160÷32÷ 12.5, 1.25×24