=(6+0,25)x7,42
=6,25x7,42
=46,375
k mk nha
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=(6+0,25)x7,42
=6,25x7,42
=46,375
k mk nha
bai toan tinh bang cach thuan tien nhat
2/5x7 + 3/7x10 + 4/10x14 +9/14x21 =
tinh bang cach thuan tien;
42 x 45/5x 7
54/56 x 7x9
tinh bang cach thuan tien nhat
2,9*5+2,9:0,25+5,8-29*0,1
6/5+7/6+8/7+......+2008/2007
Day la bai tinh bang cach thuan tien nhat nhe.
Cach ban chi cho minh cach lam va ket qua nhe.
Cam on cac ban nhieu.
tinh bang cach thuan tien :102,3/0,25/40+98,3/1,25/8
tinh bang cach thuan tien nhat : 3/4 x 4/5 + 5/6 x 6/7 x 7/8
Tinh bang cach thuan tien : 13,25:0,5+13,25:0,25+13,25:0,125
tinh bang cach thuan tien nhat : 2+6+10+14+18+...+30+34+38+42+46
4,7 : 0,25 + 3 nhân 5,3 +5,3
tinh bang cach thuan tien