0,3+1/3= 0,2+2/3= 0,6-5/9= 2/7+0,25= 1/5+0,52= - вопрос №2004929031302230659270251505201532012036180525 от Typhoon01 11.02.2020 18:54

Question

Математика: 0,3+1/3= 0,2+2/3= 0,6-5/9= 2/7+0,25= 1/5+0,52= 0,15-3/20= 1/2+0,36= 1/8+0,525=

Typhoon01 · Answer

0,3+1/3=3/10+1/3=(9+10)/30=19/300,2+2/3=2/10+2/3=(6+12)/30=18/30=3/50,6-5/9=6/10-5/9=(54-50)/90=6/90=1/152/7+0,25=2/7+25/100=2/7+1/4=(8+7)/28=15/281/5+0,52=1/5+52/100=(20+52)/100=72/100=18/250,15-3/20=15/100-3/20=3/20-3/20=01/2+0,36=1/2+36/100=1/2+9/25=(25+18)/50=43/501/8+0,525=1/8+525/1000=1/8+21/40=(5+21)/40=26/40=13/20...