Các câu hỏi tương tự
Tinh gia tri bieu thuc bang cach thuan tien nhat :
A= 1/10 x 2/9 x 3/8 x 4/7 x 5/6 x 6/5 x 7/4 x 8/3 x 9/2
tinh nhanh
1/2/0.5-1/4/0.25+1/8/0.125-1/10/0.1
Tinh gia tri bieu thuc bang cach thuan tien nhat :
1. A= 20,11 x 2,4 + 1,4 x 40,22 - 10,05 x 10,4
2. B= 3/ 1x12 + 3/ 3x20 + .... + 3/ 97x9702 + 3/ 98x9900
tinh bang cach thuan tien
a. 7.15 : 0.5 + 7.15 x 9 - 7.15
b. 3.14 : 0.1 + 75 % x 3.14 + 3.14 : 0.125 + 81.25 x 3.14
tinh gia tri bieu thuc bang cach thuan tien nhat
53.68 * 15.6 - 53.68 *5.6
tinh gia tri bieu thuc bag cach thuan tien
36,67+13,92+43,65+65,33+86,08+56,35=...
1/2:0.5-1/4:0.25+1/8:0.125-1/10:0.1
1/2 : 0.5 - 1/4 : 0.25 + 1/8 : 0.125 - 1/10 : 0.1
1/2:0.5-1/4:0.25+1/8:0.125-1/10:0.1