tìm x
a , ( x + 286 ) x 137 = 48498
b , ( x + 3217 ) : 215 =348
c, ( 2043 - x ) x 84 = 132 552
Tìm x.
a) (x+268)*137=48498
b) (x+3217):215=348
c) (x-2048):145=246
d) (2043-x)*84=132552
e) x*124+5276=48304
\(\left(x+268\right).137=48498\)
\(\Leftrightarrow x+268=48498:137\)
\(\Leftrightarrow x+268=354\)
\(\Leftrightarrow x=354-268\)
\(\Leftrightarrow x=86\)
b) \(\left(x+3217\right):215=348\)
\(\Leftrightarrow x+3217=348.215\)
\(\Leftrightarrow x+3217=74820\)
\(\Leftrightarrow x=74820-3217\)
\(\Leftrightarrow x=71603\)
c) \(\left(x-2048\right):145=246\)
\(\Leftrightarrow x-2048=246.145\)
\(\Leftrightarrow x-2048=35670\)
\(\Leftrightarrow x=35670+2048\)
\(\Leftrightarrow x=37718\)
d) \(\left(2043-x\right).84=132552\)
\(\Leftrightarrow2043-x=132552:84\)
\(\Leftrightarrow2043-x=1578\)
\(\Leftrightarrow x=2043-1578\)
\(\Leftrightarrow x=465\)
e) \(x.124+5276=48304\)
\(\Leftrightarrow x.124=48304-5275\)
\(\Leftrightarrow x.124=43028\)
\(\Leftrightarrow x=43028:124\)
\(\Leftrightarrow x=347\)
\(\Leftrightarrow2043-x=1578\)
a) ( x + 268 ) x 137 = 48498
( x + 268 ) = 48498
x + 268 = 354
x = 354 - 268
x = 86
134260 : x = 13230 : 54
mở ngoặc x + 268 đóng ngoặc x 137 = 48498
mở ngoặc 2043 - x đóng ngoặc x 84 = 132552
giải chi tiết nhé
134260 : x = 13230 : 54
=>134260:x=245
=>x=548
( x + 268) x 137 = 48498
x + 268 = 48498 : 137
x + 268 = 354
x = 354 - 268
x = 86
( 2043 -x ) x 84 = 132552
2043 -x = 132552 : 84
2043 -x = 1578
x = 2043 - 1578
x = 465
(x+268)x137=48498
=>(x+268)=48498:137
=>(x+268)=354
=>x=86
A. (x - 2048) : 145 = 246 D.(2043 - x) x 84 = 132552
a) (x-2048) = 246x145
x-2048 = 35525
x = 25525 + 2048 = 37573
b) (2043-x) = 132552 : 84
2043-x = 1578
x = 2043-1578
x = 465
\(a.\)\(\left(x-2048\right):145=246\)
\(\Leftrightarrow x-2048=35670\)
\(\Leftrightarrow x=27718\)
\(b.\)\(\left(2043-x\right).84=132552\)
\(\Leftrightarrow2043-x=1578\)
\(\Leftrightarrow x=465\)
Làm hơi tắt @_@
a) ( x - 2 048 ) : 145 = 246
x - 2 048 = 246 . 145
x - 2 048 = 35 670
x = 35 670 + 2 048
x = 37 718
b) ( 2 043 - x ) . 84 = 132 552
2 043 - x = 132 552 : 84
2 043 - x = 1 578
x = 2 043 - 1578
x = 465
=))
A. (x - 2048) : 145 = 246 B.(2043 - x) x 84 = 132552
A. x - 2048 = 246 x 145
x - 2048 = 35670
x = 35670 + 2048
x = 37718
B. 2043 - x = 132552 : 84
2043 - x = 1578
x = 2043 - 1578
x = 465
Tìm số nguyên x, biết: a) (215 + x) - 215 = 0; b) ( -444) - ( x - 444) = 0 c) 123 - (132 - x) = 0; d) 85 - ( 85 + x) = 0
Tìm x
A x-56 x 24 = 286
B 65 x 54- x = 1026
C 36 x 84 : x= 72
X : 47 = 326 - 277
`@` `\text {Ans}`
`\downarrow`
`A.`
`x-56 \times 24 = 286`
`x-1344 = 286`
`x=286 + 1344`
`x=1630`
`B.`
`65 \times 54 - x = 1026`
`3510 - x =1026`
`x=3510 - 1026`
`x=2484`
`C.`
`36 \times 84 \div x = 72`
`3024 \div x = 72`
`x=3024 \div 72`
`x=42`
`D.`
`x \div 47 = 326 - 277`
`x \div 47 = 49`
`x= 49 \times 47`
`x=2303`
A. \(x-56\times24=286\\ x-1344=286\\ x=286+1344\\ x=1630\)
B. \(65\times54-x=1026\\ 3510-x=1026\\ x=3510-1026\\ x=2484\)
C. \(36\times84\div x=72\\ 3024\div x=72\\ x-3024\div72\\ x=42\)
D. \(x\div47=326-277\\ x\div47=49\\ x=49\times47\\ x=2303\)
Tìm x
a. ( x + 268) x 137 = 48498
b. ( x + 3217) : 215 = 348
c. ( x - 2048) : 145 = 246
d. (2043 - x) x 84 = 132552
Alo có ai ko
Bạn phải trả lời đáp án chứ ! Nếu muốn alo thì ra chỗ khác ! Ò ^ Ó
Bài 1: Tìm x
x + 678 = 2813 4529 + x = 7685 x - 358 =4768 2495 - x = 698 x x 23 = 3082 36 x x = 27612 x : 42 = 938 4080 : x = 24
Bài 2: Tìm x
a. x + 6734 = 3478 + 5782 b. 2054 + x = 4725 - 279
c. x - 3254 = 237 x 145 d. 124 - x = 44658 : 54
Bài 3: Tìm x
a. x x 24 = 3027 + 2589 b. 42 x x = 24024 - 8274
c. x : 54 = 246 x 185 d. 134260 : x = 13230 : 54
Bài 4*: Tìm x
a. ( x + 268) x 137 = 48498 b. ( x + 3217) : 215 = 348 c. ( x - 2048) : 145 = 246 d. (2043 - x) x 84 = 132552
x + 678 = 2813 4529 + x = 7685
x = 2813 - 678 x =7685 - 4529
x = 213 5 x = 3156
B 1.
2135
3156
5126
1797
134
B2.
a. 2526 b. 2392 c. 37619
B3 .
a.234 b. 375 c. 2457540 d. 548
B4
a.86 b. 71603 c. 37718 d. 465
k mk nha
Bài 1 : Tìm x
x + 678 = 2 813 4 529 + x = 7 685 x - 358 = 4 768 2 495 - x = 698
x = 2 813 - 678 x = 7 685 - 4 529 x = 4 768 + 358 x = 2 495 - 698
x = 2 135 x = 3 156 x = 5 126 x = 1 797
X x 23 = 3 082 36 x X = 27 612 x : 42 = 938 4 080 : x = 24
X = 3 082 : 23 X = 27 612 : 36 x = 938 x 42 x = 4 080 : 24
X = 134 X = 767 x = 39 396 x = 170
tính bằng cách thuận tiện nhất
57 x 46 + 57 x 54
137 +355 + 63 +45
215 x 48 -215 x 38
4 x 50 x 25
giúp mình gấp lắm , mình tick cho
57 \(\times\) 46 + 57 \(\times\) 54
= 57 \(\times\) ( 46 + 54)
= 57 \(\times\) 100
= 5700
137 + 355 + 63 + 45
= ( 137 + 63) + ( 355 + 45)
= 200 + 400
= 600
215 \(\times\) 48 - 215 \(\times\) 38
= 215 \(\times\) ( 48 - 38)
= 215 \(\times\) 10
= 2150
4 \(\times\) 50 \(\times\) 25
= ( 4 \(\times\) 25) \(\times\) 50
= 100 \(\times\) 50
= 5 000
57×(46+54) =57×100=5700
137+355+63+45=(137+63) +(355+45) =200+400=600
215×48-215×38=215×(48-38) =215×10=2150
4×50×25=(4×25) ×50=100×50=5000
57 46 + 57 54
= 57 ( 46 + 54)
= 57 100
= 5700
137 + 355 + 63 + 45
= ( 137 + 63) + ( 355 + 45)
= 200 + 400
= 600
215 48 - 215 38
= 215 ( 48 - 38)
= 215 10
= 2150
4 50 25
= ( 4 25) 50
= 100 50
= 5 000