35/42 - ( 4/7 - 5/3 + 35/72 ) - 3/4 - 3/4 + 5/3
Những câu hỏi liên quan
35/42 - ( 4/7 - 5/3 + 35/72 ) - 3/4 - 3/4 + 5/3
=\(\frac{35}{42}-\frac{4}{7}+\frac{5}{3}-\frac{35}{72}-\frac{3}{4}-\frac{3}{4}+\frac{5}{3}\)
=\(\frac{5}{7}-\frac{4}{7}-\frac{35}{72}-\frac{9}{4}+\frac{10}{3}\)
=\(-\frac{59}{28}-\frac{35}{72}+\frac{240}{72}\)
=\(\frac{811}{504}\)
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35/42 - ( 4/7 - 5/3 + 35/72 ) - 3/4 - 3/4 + 5/3
Tinh hop li:
a.8/9-1/72-1/56-1/42-1/30-1/20-1/12-1/6-1/2
b.(-1/2)-(-3/5)+(-1/9)+1/127-(+7/18)+4/35-(-2/7)
c.3/5+3/11-(-3/7)+(2/97)-1/35-3/4+(-2/7)
A 50
b 97
c 74
k cho mình nhé
Viết vào chỗ chấm :
7 x 3 = ... 7 x 6 = ... 7 x 5 = ... 7 x 4 = ...
21 : 7 = ... 42 : 7 = ... 35 : 7 = ... 28 : 7 = ...
21 : 3 = ... 42 : 6 = ... 35 : 5 = ... 28 : 4 = ...
7 x 3 = 21 7 x 6 = 42 7 x 5 = 35 7 x 4 = 28
21 : 7 = 3 42 : 7 = 6 35 : 7 = 5 28 : 7 = 4
21 : 3 = 7 42 : 6 = 7 35 : 5 = 7 28 : 4 = 7
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7 × 3 = 21 7 × 6 = 42 7 × 5 = 35. 7 × 4 = 28
21 : 7 = 3. 42 : 7 = 6. 35 : 7 = 5. 28 : 7 = 4
21 : 3 = 7. 42 : 6 = 7. 35 : 5 = 7. 28 : 4 = 7
Tính hợp lý
a) 0.5+1/3+0.4+5/4+1/6-4/35
b) 8/9-1/72-1/56-1/42-1/30-1/20-1/12-1/6-1/2
c) 1/3*-4/5+1/3+-6/5
d)3/7*9/26-1/14*1/13
e) (-3/4+2/5):3/7+(3/5+-1/4):3/7
1) 2310:35 2)598 : 23 3)1596 : 42 4)1044:29 5)4968:72
1) 2310 : 35 = 66
2) 598 : 23 = 26
3) 1596 : 42 = 38
4) 1044 : 29 = 36
5) 4968 : 72 = 69
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Viết sô thích hợp vào chỗ chấm điểm
A) 3/4=3*4/4*4=…\……
2/7=2*.../7*3=…\…
24/42=24:6/42:…=…\…
B) 2/3=6/…
18/24=6/…
2/7=8/…=…\35
3/5=…/20
32/24=…/3
48/72=…/9=2/…=…/24
A) 12/16
2*3; 6/21
42:6; 4/7
B) 6/9
6/8
8/28=10/35
12/20
4/3
6/9=2/3=16/28
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2/3 + 3/4
9/4 + 3/5
5/24 + 1/4
3/15 - 5/35 18/27 - 2/6 37/12 - 3
11/9 x 3/22 7/13 x 13/7 4 x6/7
2/5 : 3/10 3/8 : 9/4 8/21 : 4/7
2/3 + 3/4=17/12
9/4 + 3/5=57/20
5/24 + 1/4=11/24
3/15 - 5/35=2/35 18/27 - 2/6=1/3 37/12 - 3=1/12
11/9 x 3/22=1/6 7/13 x 13/7=1 4 x6/7=24/7
2/5 : 3/10=4/3 3/8 : 9/4=1/6 8/21 : 4/7=2/3
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2/3 + 3/4
= 17/12
9/4 + 3/5
= 57/20
5/24 + 1/4
=11/24
3/15 - 5/35
=2/35
18/27 - 2/6
=1/3
37/12 - 3
= 1/12
11/9 x 3/22
=1/6
7/13 x 13/7
=1
4 x6/7
=24/7
2/5 : 3/10
=4/3
3/8 : 9/4
=1/6
8/21 : 4/7
= 2/3
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1=17/12
2=57/20
3=11/24
4=2/35 7=1/3 10=1/12
5=1/6 8=1 11=24/7
6=4/3 9=1/6 12=2/3
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a, (3-1/4+2/3)-(5+1/3-6/5)-(6-7/4+3/2)
b, 1/3-3/4+3/5+1/64-2/9-1/36+1/15
c, 0,5+1/3+0,4+5/7+1/6-4/35
d, 8/9-1/72-1/56-1/42-1/30-1/12-1/6-1/2
Tinh hop li
Nhanh nhe! Milk se tang 3 hinh anh than tuong bn muon.
a)\(3-\left(\frac{1}{4}+\frac{2}{3}\right)-\left(5+\frac{1}{3}-\frac{6}{5}\right)-\left(6-\frac{7}{4}+\frac{3}{2}\right)\)
=\(3-\frac{1}{4}-\frac{2}{3}-5-\frac{1}{3}+\frac{6}{5}-6+\frac{7}{4}-\frac{3}{2}\)
=\(\left(3-5-6\right)+\left(\frac{-1}{4}+\frac{7}{4}\right)+\left(\frac{-2}{3}-\frac{1}{3}\right)+\left(\frac{6}{5}-\frac{3}{2}\right)\)
=\(-8+\frac{3}{2}-1-\frac{3}{10}\)
=\(\left(-8-1\right)+\left(\frac{3}{2}-\frac{3}{10}\right)\)
=-9+\(\frac{6}{5}\)
=\(\frac{-39}{5}\)
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