180÷2 и 180÷4.30 и потом каждое частное ×на 3
2.80-20 и 80-45 и всё
876543 кг : 1000 = 876,543 т ≈ 877 т ответ Б
10r+2(7r-2)=5(4r+3)+3r
10r+14r-4=20r+15+3r
24r-4=23+15
r=19
Ответ:19
Become- became , meet- met, tell- told, find- found, get got, send sent, sleep slept, swim swam, eat ate, grow grew