The next morning, the teacher, Irina Petrovna, handed out the yellowed paper slips. Maksim didn't feel the usual panic. He saw the monomials, remembered the "map" he'd studied the night before, and his pen moved with confidence. When the grades were posted on the Electronic Diary , a bright red "5" sat next to his name.
The clock on the classroom wall ticked like a countdown. For Maksim, a 7th grader at School No. 12, the sight of the workbook by A.P. Ershova and V.V. Goloborodko usually meant one thing: a long evening of battling polynomials. spishu.ru 7 klass algebra.i.ershova
"I'll just check one hint," he whispered, typing into his phone. The next morning, the teacher, Irina Petrovna, handed
He didn't just copy. He studied how the solution moved from one step to the next. He realized he had been forgetting to change the sign when multiplying by a negative. "Oh! That's it!" When the grades were posted on the Electronic
Tomorrow was the big independent work day—"Self-test C-14" on multiplication of monomials. Maksim opened his bag and pulled out the worn Ershova collection. The problems stared back, a sea of exponents and brackets. He felt that familiar sinking feeling.