1.-2×(-50)×6×12 2. 387-243-753-387-+243 3. 7,8+3 - вопрос №2819116125061223872437533872433783582833840223 от Kseniya000001 20.12.2022 22:44

Question

Математика: 1.-2×(-50)×6×12 2. 387-243-753-387-+243 3. 7,8+3 5/8-2,8-3 3/8 4.-0,2×2 3/5×(-0,5)×(- 5/13) плз))

Kseniya000001 · Answer

1.72002. -12393,(7,8-2,8) +(3 5/8- 3 3/8)=5+ 2/8=5+1/4=5+0,25=5,254.(-0,2*2,6*(-0,5)*(-5/13)=26/100 * (-5/13)=-2/20=-0,1...