（1）上半年平均每月产量是多少吨？（2）第二季度比第一季度增产百分之几？（精确到0.01%）
直接写得数．×=÷2=×14= 10×=×2=×=÷=÷=
直接写出得数×10=+= 52×= 9÷=÷= 11﹣= 0÷×=﹣+= 1÷9×=
直接写出得数．=========================
直接填得数×=×= 16×=÷= 1÷=÷= 9÷=÷33= 1﹣25%= 75%+0.25=÷=﹣=
直接写出得数．= 80%= 1÷10%= 74×4×25%=×15%=
×
=
÷2=
×14= 10×
=
×2=
×
=
÷
=
÷
=
×10=
+
= 52×
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÷
= 11﹣
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×
=
﹣
+
= 1÷9×
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=
=
=
=
=
=
=
=
=
=
=
=
=
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×
×
= 16×
=
÷
= 1÷
=
÷
= 9÷
=
÷33= 1﹣25%= 75%+0.25=
÷
=
﹣
=
=
= 1÷10%= 74×4×25%=
×15%=
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