159. Составь равенства из заданных числовых выражений. 339:3 125⋅2+345⋅2 (125+345)⋅2 120:3+219:3 400⋅2+70⋅2 (300+39):3

Решение:

1. 339 : 3 = 113
2. 125 ⋅ 2 + 345 ⋅ 2 = 250 + 690 = 940
3. (125 + 345) ⋅ 2 = 470 ⋅ 2 = 940
4. 120 : 3 + 219 : 3 = 40 + 73 = 113
5. 400 ⋅ 2 + 70 ⋅ 2 = 800 + 140 = 940
6. (300 + 39) : 3 = 339 : 3 = 113

Составим равенства:

• 339 : 3 = 120 : 3 + 219 : 3 = (300 + 39) : 3 = 113
• 125 ⋅ 2 + 345 ⋅ 2 = (125 + 345) ⋅ 2 = 400 ⋅ 2 + 70 ⋅ 2 = 940