(451x13+9x13)x37/13x74
/là phần
[(456x11+912)x37]:(13x74)
[(456 * 11+ 912) * 37 ] : ( 13 * 74 )
= [ ( 5016 + 912 ) * 37 ] : 962
= [ 5928 * 37 ] : 962
= 219 336 : 962
= 228
\(\left[\left(456.11+912\right).37\right]:\left(13.74\right)\)
\(=\left[\left(5016+912\right).37\right]:962\)
\(=\left(5928.37\right):962\)
\(=219336:962\)
\(=228\)
(456x11+912)x37
13x74
( 456 x 11 + 912 ) x 37
= ( 5016 + 912 ) x 37
= 5928 x 37
= 219336
13 x 74
= 962
Tinh nhanh:
(456x11+912)x37:(13x74)
( 456 x 11 + 912 ) x 37 : ( 13 x 74 )
( 456 x 11 + 192 ) x 37 : 13 x 37 x 2
= ( 456 x 11 + 456 x 2 ) x 37 : 13 x 37 x 2
= ( 456 x ( 11 + 2 ) x 37
= 456 x 17 x 37 : 13 x 37 x 2= 456 : 2 =
= 228
\(\left(456\times11+912\right)\times37\div\left(13\times74\right)\)
((476x11+912)x37) / (13x74) = (6148 x 37) / (13 x 74) = 6148 / 13 x 2 = 3074 / 13
5016+912=5928
5928nhan37:962
219336:962
228
dap an dung la 228
(456 x 11+912)x37
--------------------------
13x74
\(\frac{\left(456x11+912\right)x37}{13x74}\)
\(\frac{\left(456.11+912\right)37}{13.74}\)
= \(\frac{5928.37}{13.74}\)
= 228
\(\frac{\left(456.11+912\right).37}{13.74}\)
\(=\frac{\left[456.\left(11+2\right)\right].37}{13.2.37}\)
\(=\frac{456.13}{13.2}\)
\(=228\)
[456x11+912]x37 / 13x74
các bạn giúp mình với nhé !
tinh nhanh
( 456x11+912)x37 / 13x74
864x48-432x96 / 864x48x432
16x17x5 / 16x16+11
45x16-17 / 28+45x15
giup mk nha cac ban
ai giup mk mk tk cho 3 cai moi ngay
thank you very much
\(\left(456.11+912\right).\frac{37}{13.74}=5928.\frac{37}{962}=228\)
\(864.48-432.\frac{96}{864.48.432}=41472-432.\frac{96}{17915904}=41472-\frac{1}{186624}=4147058529\)
\(16.17.\frac{5}{16.16+11}=272.\frac{5}{2816}=\frac{85}{176}\)
bai 1: tinh nhanh
168x168-168x58 / 110
( 456x11+912 )x37 / 13x74
864x48-432x96 / 864x48x432
16x17x5 / 16x16+11
45x16-17 / 28+45x15
bai 2: tinh bang 2 cach
a . ( 15/8 - 3/4 ) x 4
b. 3x ( 2/3 + 7/9 )
bai 3 : tim so tu nhien n
121/ 27 x 54/11 < n < 100/21 : 25/126
giup mk ca 3 bai nha cac ban , cam on cac ban nhieu
nhanh nen nha , chieu mai mk phai nop bai roi
168 x 168 - 168 x 58 : 110
= 168 x ( 168 - 58 ) : 110
= 168 x 110 : 110
= 168 x 1
= 168
Sao bài tập của bạn giống của nguyễn diệp anh thế.
4/9x13/3-4/3x40/10
=52/27-16/3=52/27-144/27=-92/27
\(\dfrac{4}{9}\times\dfrac{13}{3}-\dfrac{4}{3}\times\dfrac{40}{10}\)
\(=\dfrac{52}{27}-\dfrac{16}{3}\)
\(=-\dfrac{92}{27}\)
4/9x13/3-4/3x40/10
=52/27-16/3
=52/27-144/27
=-92/27