По запросу: "math operations for addition" найдено 144 иконки.

subtract Created with sketchtool.
fundamentals/css/calc Created with Sketch.
o
action / 2 - action, add, circle, addition, increase, new, plus, positive icon
calculator
minus-circle Created with Sketch Beta.
arrow-right-square Created with Sketch Beta.
Libre Office Math This is shape (source) for Clarity vector icon theme for gtk Libre Office Math This is shape (source) for Clarity vector icon theme for gtk Jakub Jankiewicz Jakub Jankiewicz 2010 image/svg+xml
add-square
add
minus-circle-solid