10+(x-5)=10
=>x-5=10-10=0
=>x=0+5=5
10+(x-5)=10
=>x-5=10-10=0
=>x=0+5=5
tong ket dot thi dua hoc tot lap thanh tich chao mung ngay thanh lap dang ,so diem 10 cua 4 to lop 5 a dat nhu sau. to 1 bang 1/2 tong so diem 10 cua 3 to con lai ,so diem 10 cua to 2 bang 1/3 tong so diem 10 cua 3 to con lai .so diem 10 cua to 3 bang 1/4so diem 10 cua 3 to con lai ,so diem 10 cua to 4 la 26 diem 10 . hoi lop 5a dat bao nhieu diem 10 . moi to dat bao nhieu diem 10 .nho cac ban giup minh
14 gio 10 phut la bang bao nhieu?
biet 25% cua mot so la 10 . hoi so do bang bao nhieu
tong so tuoi cua 3 nguoi la 125 .tuoi nguoi thu1 bang 2 lan tuoi cua nguoi thu 2 cong voi 10. tuoi cua nguoi thu 2 bang 3 lan tuoi nguoi thu3 tru di 5. hoi moi nguoi bao nhieu tuoi?
biet 25% cua mot so la 10. hoi so do bang bao nhieu
a.10 b.20 c.30 d.40
luc dau so bi o tui trai nhieu hon so bi o tui phai la 10 vien.Sau do ban binh da lay 5 vien o tui phai cho sang tui trai thi thay so bi o tui phai bang 3/5 so bi o tui trai.Hoi luc dau moi tui co bao nhieu vien
hien nay con 10 tuoi,cha 40 tuoi.hoi bao nhieu nam nua tuoi con bang 1/3 tuoi cha
mot khu dat co dien tich 3 ha . nguoi ta su dung 3 / 10 dien tich de trong rau , 5/ 10 so dien tich de tha ca . hoi con lai bao nhieu hec ta ơ tra loi bang so thap phan ]
luc dau thung thu nhat nhieu hon thung thu hai la 5 lit dau.nguoi ta da ban di 10 lit dau o thung thu hai va 5 lit dau o thung thu nhat.luc nay so lit dau o thung thu hai bang 3/5 so lit dau o thung thu nhat.hoi luc dau moi thung co bao nhieu lit dau?
mot nguoi ban hang bi lo 70000 dong bang 10% tien von bo ra.hoi tien von cua nguoi do la bao nhieu?