(1 3/5+1,8)×1/2= (2 1/3+0,25)×0,12= (1,25+1/6)×2,4= - вопрос №414755013518122130250121251624 от СофияKomarova 07.02.2020 14:01

Question

Математика: (1 3/5+1,8)×1/2= (2 1/3+0,25)×0,12= (1,25+1/6)×2,4=

СофияKomarova · Answer

(1 3/5+1,8)×1/2=(1,6+1,8)×0,5=3,2×0,5=1,6 (2 1/3+0,25)×0,12=(2 1/3+1/4)×12/100=(2 4/12+3/12)×3/25= 26/12×3/25=26/100=0,26 (1,25+1/6)×2,4=(1 1/4+1/6)×2 2/5=(1 3/12+2/12)×12/5=17/12×12/5=3 2/5=3,4...