18*x=90.720: x=4.350: =5*10.x: 30=60*5.x*100=4500.x: - вопрос №379400318907204350510306051004500104500 от greghs 21.07.2020 04:55

Question

Математика: 18*x=90.720: x=4.350: =5*10.x: 30=60*5.x*100=4500.x: 10=4500 решите уравнение

greghs · Answer

18*х=90х=90:18х=5720:х=4х=720:4х=180350:х=5*10х=350:(5*10)х=7х:30=60*5х=60*5*30х=9000х*100=4500х=4500:100х=45х:10=4500х=4500*10х=45000...