解方程。 χ-3χ=6 6×551-1χ=1 3χ+1=1 1222442 χ-4χ=12 7χ=11 χ×(3+2)=5816437 24 5X-3× (x-6)×5=25 6X+5 =13.4 3X=3 6877= 4+1X=9 8x-1×3=45 105521044 2233X- X= 2X + = X×3=20×1 755454 X+3X=121 5X-3×85=5721 2X÷1=12 34 X÷2=77 X+7168X=3 4X-6×2=2 43 123 ÷X= 3 X = 25 8 X = 1×16 5105729651 X÷ 626=×13 4x-3 ×9 = 29 1x + 1x = 4 354525 310X-21×23=4 X+ 6X+5 =13.4 5X=1519 2X÷134=12 X÷62635=45÷1325 X-0.25= 37 X=18 X2135 X-3 X=10 4821X=415 X3X=25572 14 4+0.7X=102 26×( 16 + 38 )=1312 χ-6=38 ÷45=1528 8X=11696×51 本文来源:https://www.wddqw.com/doc/a7349266ccc789eb172ded630b1c59eef8c79ad1.html