英语翻译400 x 400 x12 x 12 684 Mtr ( Hollow Fabricated Column made from 12 mm thick Plate )2.300 x 300 x 12 x 12 48 Mtr ( Hollow Fabricated Column made from 12 mm thickk Plate )3.H 900 X 300 X 12 X14 24 Mtr4.H 800 X 250 X 10 X12 12 Mtr5.H 700 X 2
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英语翻译400 x 400 x12 x 12 684 Mtr ( Hollow Fabricated Column made from 12 mm thick Plate )2.300 x 300 x 12 x 12 48 Mtr ( Hollow Fabricated Column made from 12 mm thickk Plate )3.H 900 X 300 X 12 X14 24 Mtr4.H 800 X 250 X 10 X12 12 Mtr5.H 700 X 2
10x+4=x-1X12
10%x十(120一x)X12%=13
80%x-1.2X12=1.6解方程
28.12 9.2812 28.28fx=x12 x根9
14.12 9.1412 14.14fx=x12 x根9
表示绝对值.fx=x12 x根0
x15+x12+x10=1365,x怎么求?
求解方程式:12+1.5X=1.8+X12+1.5X=1.8+X
300+x分之300x8%二120+x分之120x12.5方程怎么解?
简便方法计算 (-8)x(-7.2)x(-2.5)x12分之5=
方程91+4x12.5和x-0.48x=7.28,这两个方程怎么解,
13X12=13X()+()X2=12X()十()X3=()
15x(30-x)=25x12怎么解这道比例方程?
(1-15x)除以10X12+12x这方程怎么解
2^10x^11+(-2)^11x^11+(2^9+1)x12得数
9.12 9.2812 28.91212 -x根9=x12-x根942
/|a||b|=27.12|b|^27/|b|^2712 -x根5=x12-x根542