(-17)+(-83)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
17*25 + 17*32 + 83*25 + 83*32
= 17*(25 + 32) + 83*(25 + 32)
= (25 + 32)(17 + 83)
= 57*100
= 5700
\(17.25+17.32+83.25+83.32\)
\(=17.\left(25+32\right)+83.\left(25+32\right)\)
\(=\left(25+32\right)\left(17+83\right)\)
\(=57.100\)
\(=5700\)
A=17x32+64x83+36x83+68x17
A=17x32+17x68+64x83+36x83
A=17x(32+68)+83x(64+36)
A=17x100+83x100
A=100x(83+17)
A=100x100
A=10000
A=17.32+64.83+36.83+68.17
=>17.(32+68)+83.(64+36)
=>17.100+83.100
=>100.(17+83)
=>100.100
=>10000
Học tốt~
`@` `\text {Ans}`
`\downarrow`
`2023 \times 14 + 2023 \times 83+97`
`= 2023 \times (14+83) + 97`
`= 2023 \times 97 + 97`
`= 196231 +97`
`= 196328`
`78 \times 31+78 \times 24+78 \times 17+78 \times 22 \times 72`
`= 78 \times (31+24+17+22 \times 72)`
`= 78 \times (31+24+17+1584)`
`= 78 \times 1656`
`= 129168`
`371 \times 69+371 \times 14+629 \times 83`
`= 371 \times (69+14) + 629 \times 83`
`= 371 \times 83 + 629 \times 83`
`= 83 \times (371+629)`
`= 83 \times 1000`
`= 83000`
`91 \times 51+49 \times 163-49 \times 72`
`= 91 \times 51 + 49 \times (163-72)`
`= 91 \times 51+49 \times 91`
`= 91 \times (51+49)`
`= 91 \times 100`
`= 9100`
`3 \times 12 \times 17 + 4 \times 9 \times 81 + 2 \times 6 \times 6`
`= 9 \times 4 \times 17 + 4 \times 9 \times 81 + 4 \times 9 \times 2`
`= 9 \times 4 \times (17+81+2)`
`= 36 \times 100`
`= 3600`
`42 \times 17 + 58 \times 83 \times 42 \times 83 + 42 \times 83 + 17`
`= 17 \times (42+58) + 42 \times 83 \times (58 \times 83 +1)`
`= 17 \times 100 + 3486 \times 4815`
`= 1700 + 16785090`
`= 16786790`
a) 24 + 17 + 26 = (24 + 26) + 17
= 50 + 17
= 67
b) 80 + 310 + 120 + 90 = (80 + 120) + (310 + 90)
= 200 + 400
= 600
c) 34 + 140 + 60 + 16 = (34 + 16) + (140 + 60)
= 50 + 200
= 250
\(83\times14+27\times17+83\times13\)
\(=83\times\left(14+13\right)+27\times17\)
\(=83\times27+27\times17\)
\(=\left(83+17\right)\times27\)
\(=100\times27\)
\(=2700\)
Chúc bạn học tốt
83×14+27×17+83×13
=83×(14+13)+27×17=83×(14+13)+27×17
=83×27+27×17=83×27+27×17
=(83+17)×27=(83+17)×27
=100×27=100×27
=2700=2700
Chúc bạn học tốt
a) 54 x 2009 + 45 x 2009 + 2009
= 54 x 2009 + 45 x 2009 + 2009 x 1
= 2009 x ( 54 + 45 + 1)
= 2009 x 100
= 200900
b) 117 x ( 83 + 17 ) - 17 x ( 17 + 83)
= 117 x 100 - 17 x 100
= 100 x ( 117 - 17 )
= 100 x 100
= 10000
c) 997 x 4 + 997 x 6
= 997 x ( 6 + 4 )
= 997 x 10
= 9970
_HT_
29+29+......+29+83+...+83
=29.17+83.29
=29(17+83)
=29.100
=2900
tick bạn
(-100)
(-17) + (-83)
= (-100)