A unique application for practicing addition and subtraction Peculiarities: - No ready-made answers - stimulates mental processes - Select the difficulty of examples: counting to ten, passing through ten, adding and subtracting two-digit and single-digit numbers, as well as two-digit numbers up to 100 - Selection of questions for training, taking into account previous answers - Timing to respond, taking into account the complexity of the example - Assessment for work, according to which you can see progress in learning - Laconic, minimalistic interface - Takes up little space on the phone
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