tinh gia tri bieu thuc bang hai cach 347535:45
tinh gia tri bieu thuc bang hai cach
cach 2
218,3-(5,6+111,82)
tinh gia tri cua bieu thuc sau bang cach hop ly 7
=
tinh gia tri bieu thuc bang cach hop li nhat b=1.3.5...............2011.2013/1008.1009..............2014
tinh gia tri bieu thuc bang cach hop li:
2002 x 20012001 - 2001 x 20022002
2002 x 20012001 - 2001x20022002
=2002 x 2001 x10001-201 x 2002 x 10001
= 0
tinh gia tri bieu thuc sau bang cach hop li nhat
3,265+4,572+2,735+1,128
3,265 + 4,572 + 2,735 + 1,128
= (3,265 + 2,735) + (4,572 + 1,128)
= 6 + 5,7
= 11,7
3,265+4,572+2,735+1,128
=(3,265+2,735)+(4,572+1,128)
= 6 + 6
= 12
tinh gia tri bieu thuc bang 2 cach
218,3-[5,6+111,82]
72,83-30,6-16,4
464 : 4 + 81 x 2
tinh gia tri bieu thuc bang cach thuan tien nhat
\(464\div4+81\times2\)
\(=116+162\)
\(=278\)
tinh gia tri bieu thuc bang cach thuan tien nhat
53.68 * 15.6 - 53.68 *5.6
\(53.68x15.6-53.68x5.6\)
\(=53.68x\left(15.6-5.6\right)\)
\(=53.68x10\)
\(=536.8\)
Nhớ k mk nha bn minh tuyệt vọng lắm!
53,68*15,6-53,68*5,6
=53,68* (15,6-5,6)
=53,68-10
=5,368
tinh nhanh gia tri bieu thuc 12345679*45
ghi cach giai