(-126) + (-35) + (-65) + (-26)
= [(-126) + (-26)] + [(-35) + (-65)]
= -152 + (-100)
= -252
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Các câu hỏi tương tự
35 x 26 + 65 x 59 + 34 x 35 + 51 x 65
164cdot16+81cdot84+17cdot16318cdot15+35+15cdot32+35cdot49435cdot34+35cdot86+65cdot75+65cdot45567cdot42+58cdot67665cdot59+65cdot42718cdot74+126cdot18828cdot76+13cdot28+11cdot2899cdot5cdot7cdot7-6cdot47+57cdot3-47cdot41023cdot34-24cdot49+26cdot34-24-49
Đọc tiếp
\(164\cdot16+81\cdot84+17\cdot16\)
\(318\cdot15+35+15\cdot32+35\cdot49\)
\(435\cdot34+35\cdot86+65\cdot75+65\cdot45\)
\(567\cdot42+58\cdot67\)
\(665\cdot59+65\cdot42\)
\(718\cdot74+126\cdot18\)
\(828\cdot76+13\cdot28+11\cdot28\)
\(99\cdot5\cdot7\cdot7-6\cdot47+57\cdot3-47\cdot4\)
\(1023\cdot34-24\cdot49+26\cdot34-24-49\)
a, 29 + 131 + 237 + 763 b, 65 + 327 + 15 + 73 c, 12+ 54:18 - 8
d.45.58+ 45.42 e) 35 . 34 + 35 . 26+ 40.35 f. 65 . 25 + 65 . 45+ 30.65
g) 750 : {32 – [ 22 + (5. 32 – 42)]} + 100 h) {630 : [16 + 3.(6 + 3. 4)]} – 1
i) 5871: [928 – ( 247- 82). 5] + 21750 k) 375 : {32 – [ 4 + (5. 32 – 42)]} – 14
Đọc tiếp
a, 29 + 131 + 237 + 763 b, 65 + 327 + 15 + 73 c, 12+ 54:18 - 8
d.45.58+ 45.42 e) 35 . 34 + 35 . 26+ 40.35 f. 65 . 25 + 65 . 45+ 30.65
g) 750 : {32 – [ 22 + (5. 32 – 42)]} + 100 h) {630 : [16 + 3.(6 + 3. 4)]} – 1
i) 5871: [928 – ( 247- 82). 5] + 21750 k) 375 : {32 – [ 4 + (5. 32 – 42)]} – 14
( - 38 ) + 65 + ( - 62 )
( - 23 ) . 7 + 32 : ( - 9 )
126 . ( - 26 ) + 26 . 27
S=5+5^2+5^3+....+5^2004
Chứng minh S chia hết cho 6 , 26 , 65 , 126
Giúp mình nha, giải rõ ra nha
65+35+6−29≤ \le \frac{-26}{5} + 2+ \frac{6}{5}≤5−26+2+56
S=5+5^2+5^3+5^4+...+5^2004
Chứng minh S chia hết cho 6 , 26 , 65 , 126
Giải rõ ra nha , mình k
D= 24+25+26+...+125+126
F= 15+17+19+21+...+151+153+155
G=15+25+35+...+115
tính tổng
a,S=15+17+19+21+..................+151+153+155
b,S=15+25+35+...............................+115
c,S=24+25+26+.........................+125+126
Tính :
1) ( -35 ). 18 + 28. 35
2) 53. 29 - 47. ( -29 )
3) 125. ( -24 ) + 24. 225
4) 26. ( -121 ) - 121. ( -36 )
5) 65. ( -25 ) + 25. ( -23 )
6) 237. ( -26 ) + 26. 137
7) 30. ( -125 ) + 25. 30
8) ( -37 ). 69 + ( -31 ). 37
9) 31. 72 - 31. 70 - 31.2
10) ( -12 ). 47 + ( -12 ) . 52 + ( -12 )