MATHS 5éme - Les Enchaînements D'opérations
EXERCICES ÉCRITS
| EXERCICE DE MATHS 1 |
MATHS 5éme - Les Enchaînements D'opérations
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Calculer les expressions suivantes :
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A = ( 8 + 7 ) × 6 - 5 × 4
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B = 8 + 7 × 6 - 5 × 4 C = 8 + 7 × ( 6 - 5 ) × 4
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D = 9 + ( 5 × 3 - 1 ) × 3
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E = 9 × ( 9 × 11 - 8 × 10 )
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CORRECTION
A = ( 8 + 7 ) × 6 - 5 × 4
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B = 8 + 7 × 6 - 5 × 4
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C = 8 + 7 × ( 6 - 5 ) × 4
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A = 15 × 6 - 20
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B= 8 + 35 - 20
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C = 8 + 7 × 1 × 4 |
A = 90 - 20
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B= 43 - 20
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C = 8 + 28 |
A = 70
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B = 23 |
C = 36 |
D = 9 + ( 5 × 3 - 1 ) × 3
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E = 9 × ( 9 × 11 - 8 × 10 )
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D= 9 + ( 15 - 1 ) × 3
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E = 9 × ( 99 - 80 )
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D = 9 + 14 × 3
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E = 9 × 19
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D = 9 + 42
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E = 171
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D = 51
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| EXERCICE DE MATHS 2 |
MATHS 5éme - Les Enchaînements D'opérations
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| Calculer le plus simplement possible les expressions suivantes : |
A = 54 + 71 + 16 + 19
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B = 2 × 4 × 20 × 7 × 5 × 5
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D = 26 + 27 + 28 + 29 + 30 + 31 + 32 + 33 + 34
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E = 11 × 12 × 14 × 0 × 16 × 19 × 20
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CORRECTION
A = 54 + 71 + 16 + 19
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B = 2 × 4 × 20 × 7 × 5 × 5
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| A = ( 54 + 16 ) + ( 71 + 19 ) |
B = 2 × 5 × 20 × 5 × 7 × 4
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| A = 70 + 90 |
B= 10 × 100 × 28
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| A = 160 |
B = 1000 × 28
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B = 28000 |
D = 26 + 27 + 28 + 29 + 30 + 31 + 32 + 33 + 34
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E = 11 × 12 × 14 × 0 × 16 × 19 × 20
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D = 26 + 34 +27 + 33 + 28 + 32 +29 + 31 + 30
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quelque facteur est nul donc le produit est nul |
D = 60 + 60 + 60 + 60 +30
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E = 11 × 12 × 14 × 0 × 16 × 19 × 20
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D = 270
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E = 0
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EXERCICE DE MATHS 3
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MATHS 5éme - Les Enchaînements D'opérations
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| Calculer les expressions suivantes : |
A = ( 250 + 48 ) × 2 - ( 9.7 - 3.7 )
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B = 1.75 ÷ 0.25 × 1.2 + 5.5
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C = ( 1.75 - 0.25 ) - ( 1.8 ÷ 6 ) |
CORRECTION
| A = ( 250 + 48 ) × 2 - ( 9.7 - 3.7 ) |
B = 1.75 ÷ 0.25 × 1.2 + 5.5 |
C = ( 1.75 - 0.25 ) - ( 1.8 ÷ 6 ) |
A = 298 × 2 - 6
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B= 7 × 1.2 + 5.5
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C = 1.5 - 0.3
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A = 596 - 6
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B= 8.4 + 5.5
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C = 1.2 |
A = 590
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B = 13.9 |
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| EXERCICE DE MATHS 4 |
MATHS 5éme - Les Enchaînements D'opérations
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Soient a et b deux nombres entiers Tel que a +b = 83
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Calculer les expressions suivantes :
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A = ( a + 29 ) + ( b + 31)
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B = ( b + 11 ) + ( a + 7 ) + 2
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C = ( a + 2.3 ) + ( b + 3.7 )
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D = ( a + 1.5 ) + [ b + 2 × ( 2.5 + 0.5 ) ]
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CORRECTION
| A = ( a + 29 ) + ( b + 31) |
B = ( b + 11 ) + ( a + 7 ) + 2 |
| A = a + 29 + b + 31 |
B = b + 11 + a + 7 + 2 |
| A = a + b + 29 + 31 |
B = a + b + 11 + 7 + 2 |
| A = 83 + 60 |
B = 83 + 20 |
| A = 143 |
B = 103 |
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| C = ( a + 2.3 ) + ( b + 3.7 ) |
D = ( a + 1.5 ) + [ b + 2 × ( 2.5 + 0.5 ) ] |
| C = a + 2.3 + b + 3.7 |
D = a + 1.5 + [ b + 2 × 3 ] |
C = a + b + 2.3 + 3.7
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D = a + 1.5 + b +6
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| C = 83 + 6 |
D = a + b +1.5 + 6
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| C = 89 |
D = 83 + 7.5
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D = 90.5
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| EXERCICE DE MATHS 5 |
MATHS 5éme - Les Enchaînements D'opérations
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| Calculer les expressions suivantes : |
A = 35 + 8 × [ 2.5 + 4.2 ( 6.5 - 2.3 ) ]
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B = 2 + [ 3 × ( 7 + ( 3 × 8 ) ) ]
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C = ( 0.2 + 0.8 ) × ( 1.9 + 0.1 ) |
D = 16 - 7 × [ 6 + 3 × ( 11 - 0.9 × 6 ) ]
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E = 16 × 0.2 + 8× 0.4 - 4 × 0.8
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F = 0.2 + 0.8 × 1.9 + 0.1 |
G = 8 × 6 - 5 × ( 3 + 0.2 × 4 ) + 7 × 4
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H = 6 + 3 × 4 × ( 5 - 2 × 1.5 )
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CORRECTION
A = 35 + 8 × [ 2.5 + 4.2 ( 6.5 - 2.3 ) ]
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B = 2 + [ 3 × ( 7 + ( 3 × 8 ) ) ]
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C = ( 0.2 + 0.8 ) × ( 1.9 + 0.1 )
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A = 35 + 8 × [ 2.5 + 4.2 × 4.2 ]
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B= 2 + [ 3 × ( 7 + 24 ) ]
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C = 1 × 2
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A = 35 + 8 × [ 2.5 + 17.64 ]
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B= 2 + [ 3 × 31 ]
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C = 2 |
A = 35 + 8 × 20.14
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B = 2 + 93
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A = 35 + 161.12
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B = 95 |
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A = 196.12
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D = 167 - 7 × [ 6 + 3 × ( 11 - 0.9 × 6 ) ]
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E = 16 × 0.2 + 8× 0.4 - 4 × 0.8
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F = 0.2 + 0.8 × 1.9 + 0.1
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D = 167 - 7 × [ 6 + 3 × ( 11 - 5.4 ) ]
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E = 3.2 + 3.2 - 3.2 |
F = 0.2 + 1.52 + 0.1 |
D = 167 - 7 × [ 6 + 3 × 5.6 ]
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E = 6.4 - 3.2
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F = 1.72 + 0.1 |
D = 167 - 7 × [ 6 + 16.8 ]
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E = 3.2 |
F = 1.82 |
D = 167 - 7 × 22.8
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D = 167 - 159.6
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D = 7.4
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| G = 8 × 6 - 5 × ( 3 + 0.2 × 4 ) + 7 × 4 |
H = 6 + 3 × 4 × ( 5 - 2 × 1.5 )
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| G = 48 - 5 × ( 3 + 0.8 ) + 28 |
H = 6 + 12 × ( 5 - 3 ) |
| G = 48 - 5 × 3.8 + 28 |
H = 6 + 12 × 2 |
G = 48 - 19 + 28
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H = 6 + 24 |
G = 29 + 28
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H = 30 |
G = 57
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VOIR AUTRE EXERCICES SUPPLÉMENTAIRES
Exercices de maths 5éme - Les Enchaînements D'opérations EN VIDÉO
