x+56=159
Những câu hỏi liên quan
(-159).56+43.(-159)+(-159)
(-159) . 56 + 43 . (-159) + (-159)
= (-159) . (56 + 43 + 1)
= (-159) . 100
= -15900
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\(\left(-159\right).56+43.\left(-159\right)+\left(-159\right)\)
\(=\left(-159\right).\left(56+43+1\right)\)
\(=\left(-159\right).100\)
\(=-15900\)
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( - 159 ) . 56 + 43 . ( - 159 ) + ( - 159 )
= ( - 159 ) . ( 56 + 43 + 1 )
= ( - 159 ) . 100
= - 15 900
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Xem thêm câu trả lời
(-159)×56+43×(-59)+(-159)
Tính một cách hợp lý
a) (-125)+(+25).(-32).(-14)
b) (-159).(+56)+(+43).(-159)+(-159)
c) (-31).(+52)+(-26).(-162)
tính thuận tiện
318*72+159*56
mn giúp mình với
318 x 72 + 159 x 2 x 28
= 318 x 72 + 318 x 28
= 318 x (72 + 28) = 318 x 100 = 31800
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159 x 2 x 72 + 159 x 56
= 159 x ( 144 + 56 )
= 159 x 200
= 31800
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318 x 72 + 159 x 2 x 28 = 318 x 72 + 318 x 28 = 318 x (72 + 28) = 318 x 100 = 31800
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Tìm a biết:
56 : a -82 : 25 = 159 : 150 + 583 : 50
Vậy a =………………..
56 : a -82 : 25 = 159 : 150 + 583 : 50
56: a - 82 : 25= 1,06+11,66
56:a-82:25= 12,72
56: a - 82= 12,72 x 25
56:a-82= 318
56: a = 318 + 82
56: a = 400
A = 56 : 400
A =0,14
Tick tớ v
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Tính hợp lí:
a) (-125) . 25 . (-32) . (-14)
b) (-159) .56 + 43 . (-159) - 159
c) (-31) . 52 + (-26) . (-162)
d) 1 - 2 + 3 - 4 + ... + 100 - 200
e) 1 + 2 - 3 - 4 + 5 + 6 - 7 - 8 + ... + 97 + 98 - 99 - 100
a) (-125) . 25 . (-32) . (-14)
= [-125 . (-14)] . 25 . (-32)
= 1750 . 800
= 1400000
còn lại tự làm nhé!! 467568768578769789578797808096585
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a) (-125) . 25 . (-32) . (-14)
= [-125 . (-14)] . 25 . (-32)
= 1750 . (-800)
= -1400000
cho mk sửa lại kết quả nhé!! 46457567568768769789676858768769
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SGK Kết nối tri thức với cuộc sống - Trang 118
23 tháng 8 2023 lúc 16:25
Đặt tính rồi tính?
9 658 + 6 290 56 204 + 74 539
14 709 - 5 234 159 570 - 81 625
2 mũ 3 x 2 mũ 7 x 2 mũ 4 =
2 mũ 3 x 2 mũ 4 : 2 mũ 5 =
1300 - { 150.2 + [(180.5 ) + 90 ] : 9 } =
215:{185-[2.(56+34)]} =
(-3) + (-125) +(-25 ) =
25+(-38) =
(126) + 159 =
(120)+(-135 ) + 200 =
23.27.24=23+7+4=214
23.24:25=23+4-5=27
(-3)+(-125)+(-25)
=-128+(-25)
=-153
25+(-38)=25-38=-13
126+159=285
120+(-135)+200
=120-135+200
=-15+200
=185
2^3x2^7=2^10x2^4=2^14=16384
2^3x2^4=2^7:2^5=2^2=4
1300-(150.2+(900+90):9)=1300-(150.2+990:9)=1300-(300+11)=1300-311=989
(-3) + (-125)+(-25)= -(3+125+25)= -153
25 + (-38)= -(38-25)= - 13
(126)+159=285
(120)+(-135)+200= -(135-120) + 200= (-15) + 200= +(200-15)=185
789. 2- 56+ (-95)+111+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12=?
789. 2- 56+ (-95)+111+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
= 1578- 56+ (-95)+111+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=1522+ (-95)+111+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=1427+111+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=1538+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=1799+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=2297-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=2082+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=2131+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=3367-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=-1224-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=-1280+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=2909+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=2957+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=3009-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=2009-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=1509+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=1739+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=34239-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=28639+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=31280+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=32133+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=32328-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=31764+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=31999+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=36186+9023177-5000000+562+159-90+459-420+562+235+489+71+12
=9059363-5000000+562+159-90+459-420+562+235+489+71+12
=4059363+562+159-90+459-420+562+235+489+71+12
=4059925+159-90+459-420+562+235+489+71+12
=4060084-90+459-420+562+235+489+71+12
=4059994+459-420+562+235+489+71+12
=4060453-420+562+235+489+71+12
=4060033+562+235+489+71+12
=4060595+235+489+71+12
=4060830+489+71+12
=4061319+71+12=4061402
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