Toán Lớp 6: X+571=822 X-33=327= 126-x=103 6x=2466 X÷15=49 918÷x=18 96÷(41-x)=4 4x-5=63 X-120÷20=5.5 X÷2-120÷20=5.4

Question

Toán Lớp 6:  X+571=822 X-33=327= 126-x=103 6x=2466 X÷15=49 918÷x=18 96÷(41-x)=4 4x-5=63 X-120÷20=5.5 X÷2-120÷20=5.4

catlantuong · Answer

Giải đáp:    $a) x+571=822$   $&rArr; x= 822-571$   $&rArr; x= 251$   $vậy$ $x=251$   $b) x-33=327$   $&rArr; x= 327+33$   $&rArr; x= 360$   $vậy$ $x=360$   $c) 126-x= 103$   $&rArr;  x= 126-103$   $&rArr; x= 23$   $Vậy$ $x=23$   $d) 6x= 2466$   $ &rArr; x= 2466:6$   $&rArr; x=411$   $vậy$ $X=411$   $e) x:15=49$   $&rArr; x=49.15$   $&rArr; x= 735$   $vậy$ $x=735$   $f) 918:x=18$   $&rArr; x= 918:18$   $&rArr; x= 51$   $vậy$ $x=51$   $g) 96:(41-x)=4$   $&rArr; 41-x= 96:4$   $&rArr; 41-x= 24$   $&rArr; x= 41-24$   $&rArr; x= 17$   $Vậy$ $x=17$   $h) 4x-5=63$   $&rArr; 4x= 63+5$   $&rArr; 4x= 68$   $&rArr; x= 68:4$   $&rArr; x= 17$   $vậy$ $x=17$   $i) x-120:20=5.5$   $&rArr; x-6=25$   $&rArr; x= 25+6$   $&rArr;x= 31$   $vậy$ $x=31$   $j) x:2-120:20=5.4$   $&rArr; x:2-6=20$   $&rArr; x:2= 26$   $&rArr; x= 26.2$   $&rArr; x= 52$   $vậy$ $x=52$   $ text{@Pikachu2022}$

hienchaudiem · Answer

1) x + 571 = 822   x = 822 - 571   x = 251   2) x - 33 = 327   x = 327 + 33   x = 360   3) 126 - x = 103   x = 126 - 103   x = 23   4) 6x = 2466   x = 2466 : 6   x = 611   5) x : 15 = 49   x = 49 * 15   x = 735   6) 918 : x = 18   x = 918 : 18   x = 51   7) 96 : ( 41 - x ) = 4   41 - x = 96 : 4   41 - x = 24   x = 41 - 24   x = 17   8) 4x - 5 = 63   4x = 63 + 5   4x = 68   x = 68 : 4   x = 17   9) x - 120 : 20 = 5 * 5   x - 6 = 25   x = 25 + 6   x = 31   10) x : 2 - 120 : 20 = 5 * 4   x : 2 - 60 = 20   x : 2 = 20 + 60   x : 2 = 80   x = 80 * 2   x = 160