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X=100~250 30≤X≤200 X=200~250 X=95~250
25x250mm 30x250mm 40x250mm 50x250mm
210X297 297X420 420X594 594X841
210﹣0.8x=210×0.8 0.8x=210×0.15 0.15x=210×0.8 0.8x﹣210=210×0.15
210x297mm 210x265mm 184x265mm 225x156mm
x(x+12)=210 x(x﹣12)=210 2x+2(x+12)=210 2x+2(x﹣12)=210
X=100~250 30≤X≤200 X=200~250 X=95~250
x(x+1)=210 x(x﹣1)=210
2x(x﹣1)=210 x(x﹣1)=210
210X315 200X170 540X340 300X300
加气保温块600x250x300 加气保温块600x250x50 加气块600x250x50 加气保温块600x250x100
210x+90(18﹣x)≥2100 90x+210(18﹣x)≤2100
210x+90(18﹣x)≥2.1 210x+90(18﹣x)>2.1
婴儿药物剂量=月龄x成人剂量/150 婴儿药物剂量=月龄x成人剂量/250 婴儿药物剂量=月龄x成人剂量/350 婴儿药物剂量=月龄x成人剂量/50 婴儿药物剂量=月龄x成人剂量/100
f/8x1/250 f/8x1/125 f/5.6x1/250 f/5.6x1/125
150x150x150 200x200x200 100x100x100 250x250x250
262x187 210x147 203x140 260x185
加气块600x250x100(mm) 加气保温块600x250x100(mm) 加气保温块600x250x50(mm) 加气块600x250x50(mm)