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 ): "símbolo matemático": se han encontrado 118 imágenes libres de derechos de 13 CDs.
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Person writing out math equation on paper next to calculator    sb10067343a-001 |
Boy (6-7) standing on chair in classroom, smiling, portrait sb10065596q-001 |
Boy (6-7) solving formula in classroom, rear view sb10065596r-001 |
Child's building blocks arranged to show E=mc2 formula sb10065861g-001 |
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Child's building blocks arranged to show E=mc2 formula sb10065861h-001 |
Businessman writing on transparent glass wall sb10065180a-001 |
Close-up of a fountain pen on a notebook   dki-0088-014 |
Close-up of a chalkboard with chalk and colored pencil dki-0088-009 |
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the rising cost of liviing 75467389 |
Female teacher with her student in a classroom gws12842339 |
Portrait of a girl solving mathematical symbols on a blackboard 20080121_sa0331 |
Close-up of various road signs zz025009 |
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Sale tags attached to hanging clothes, close-up 200446275-001 |
Lamp with sale tag attached on store counter, close-up 200446267-001 |
Mathematically incorrect equation on small blackboard sb10063543m-001 |
Glasses, pen and mathematical symbols on paper, close up sb10063543c-001 |
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Glasses, pen and mathematical symbols on paper, close up sb10063543d-001 |
Businessman is collecting the pluses under his table. 78572251 |
Side profile of a teenage boy calculating algebra equation in a calculator gws31749319 |
Portrait of a girl showing her painted hands 20080121_sa0308 |
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Two girls near a gumball machine zz045017 |
Baby girl (3-6 months) drinking from baby bottle, close-up 76548950 |
Portrait of a female teacher holding an apple and smiling gws18215439 |
Side profile of a girl solving sums on a blackboard 20080318_sa0591 |
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Boy holding a butterfly net with a girl holding a magnifying glass near a light bulb zz045035 |
Portrait of a girl in front of a blackboard 20080121_sa0351 |
Close-up of a girl showing her painted palms 20080121_sa0319 |
Close-up of lentil soup served in a bowl with its ingredients 20080310_sa0108 |
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Portrait of a girl standing in front of a blackboard and holding books 20080318_sa0606 |
Boy (11-13 years) leaning against chalkboard, side view 76038520 |
Pocket calculator on white surface 76037039 |
Student holding chalk in classroom, portrait 75288131 |
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Teacher smiling in classroom, portrait 75288130 |
Mature male scientist writing equation on glass, view through glass 200541785-001 |
Mature male scientist writing equation on glass, view through glass 200541784-001 |
Broken pencil and mathematical equations on pad, close-up 200539640-001 |
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Percent symbol 200530318-001 |
'Pills arranged in cross shape, close-up' 74174810 |
Jaipur, India. 73923926 |
'Clothes rail, hangers and sale signs, red background' 73022114 |
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'Clothes rail, hangers and sale signs, red background' 73022115 |
George Washington, close-up (digital composite) 73346627 |
Close-up of a person's finger pressing the buttons of a calculator gws71625061 |
Close-up of a calculator gwc40720520 |
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Close-up of mathematical addition on a blackboard gwc134049 |
Close-up of a man holding a calculator with a woman's finger pressing a button gwc102039 |
Close-up of a man holding a calculator with a woman's hand above it gwc102037 |
Side profile of a teacher teaching in a classroom gwil31826 |
