89 *16 - 89 * 25 +89 * 59
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89 x 16 - 89 x 25 + 89 x 59
= 89 x ( 16 - 25 + 59 )
= 89 x 50
= 4450
\(89.16-89.25+89.59\)
\(=89.\left(16-25+29\right)\)
\(=89.50\)
\(=4450\)
kick mk nha mk kick lại
a) 25+38+59-5-19-8
=(25-5)+(38-8)+(59-19)
=20+30+40
=90
b)26-12+42-16+89-69
=(26-16)+(42-12)+(89-69)
=10+30+20
=60
a) 25+38+59-5-19-8 b) 26-12+42-16+89-69
= (25-5)+(38-8)+(59-19) = (26-16)+(42-12)+(89-69)
= 20+30+40 = 10+30+20
= 90 = 60
54 + 96 + 25 + 89 =264
24 + 59 + 641 + 59 = 783
ai giống mk thì tích mk nhé
54+96+25+89=246
24+59+641+59=783
k minh đi
a: \(-59+71-\left\{-83-\left(95\right)\right\}\)
\(=71-59+81+95\)
\(=12+81+95\)
\(=93+95=188\)
b: \(-257-\left\{\left(-257+156\right)-56\right\}\)
\(=-257-\left(-257+156-56\right)\)
\(=-257-\left(-257+100\right)\)
\(=-257+257-100=-100\)
c: Sửa đề:\(\left(435-167\right)-89-\left(435-89\right)\)
\(=435-167-89-435+89\)
=\(\left(435-435\right)+\left(-89+89\right)-167\)
=0+0-167
=-167
d: \(-329+\left(15-101\right)-\left(25-440\right)\)
\(=-329+15-101-25+440\)
\(=\left(440-329-101\right)+\left(15-25\right)\)
=10-10
=0
e: \(\left(116+124\right)+\left(215-116-124\right)\)
\(=116+124+215-116-124\)
\(=\left(116-116\right)+\left(124-124\right)+215\)
=0+0+215
=215
f: \(4524-\left(864-999\right)-\left(36-999\right)\)
\(=4524-864+999-36+999\)
\(=4524-\left(864+36\right)+999\cdot2\)
\(=4524-900+1998=5622\)
a: \(\left[\left(-59\right)+71\right]-\left[\left(-83\right)-\left(-95\right)\right]\)
\(=\left[71-59\right]-\left[-83+95\right]\)
=12-12
=0
b: \(\left(435-167-89\right)-\left(435-89\right)\)
\(=435-167-89-435+89\)
\(=\left(435-435\right)+\left(89-89\right)-167\)
=0+0-167
=-167
c: \(\left(-624\right)-\left[\left(376+245\right)-45\right]\)
\(=\left(-624\right)-\left[376+245-45\right]\)
\(=\left(-624\right)-376-200\)
=-1000-200
=-1200
a) 25 601 ; 25 602 ; 25 603 ; 25 604 ; 25 605 ; 25 606 ; 25 607.
b) 89 715 ; 89 716 ; 89 717 ; 89 718 ; 89 719 ; 89 720 ; 89 721.
c) 28 000 ; 29 000 ; 30 000 ; 31 000 ; 32 000 ; 33 000.
d) 54 400 ; 54 500 ; 54 600 ; 54 700 ; 54 800 ; 54 900.
1 Tinh
89/16+25(9/16÷125/64)÷(-27/8)
= \(\frac{89}{16}+25\left(\frac{9}{16}:\frac{125}{64}\right):-\frac{27}{8}\)
=\(\frac{89}{16}+\frac{25.36}{125}:-\frac{27}{8}\)
=\(\frac{89}{16}-\frac{32}{15}=\frac{823}{240}\)
\(\frac{89}{16}+25.\left(\frac{9}{16}:\frac{125}{64}\right):\left(\frac{-27}{8}\right)\)
=\(\frac{89}{16}+25.\frac{36}{125}:\left(\frac{-27}{8}\right)\)
=\(\frac{89}{16}+\frac{36}{5}:\left(\frac{-27}{8}\right)\)
=\(\frac{89}{16}+\left(\frac{-32}{15}\right)\)
=\(\frac{823}{240}\)
đáp số là 4450 nhak bạn
89 *16 - 89 * 25 +89 * 59
= 89 * (16 - 25 + 59)
= 89 * 50
= 98 * 100 : 2
= 9800 : 2
= 4900