Sravni uravnenia i reshi i ih: x: 20=360,x*20=360,30*x=210,30+x=210,8120-x=40,8120: - вопрос №9023913203602036030210302108120 от Dhshssh 22.03.2023 19:29

Question

Математика: Sravni uravnenia i reshi i ih: x: 20=360,x*20=360,30*x=210,30+x=210,8120-x=40,8120: x=40.

Dhshssh · Answer

1. х*20=360 х=360÷20 х=182. 30*х=210 х=210÷30 х=73. 30+х=210 х=210-30 х=1804. 8120-х=40 х=8120-40 х=80805. 8120÷х=40 х=8120÷40 х=203...