99×101 335+270+130+265 625﹣180﹣22535×99+35 175×55+25×55 50×25×20×40．
直接写出得数．×40== 25×==== 1﹣50%=÷==×=
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=÷=﹣=
×40=
= 25×
=
=
=
= 1﹣50%=
÷
=
=
×
=
×
=
÷2=
×14= 10×
=
×2=
×
=
÷
=
÷
=
×10=
+
= 52×
=
=
÷
= 11﹣
=
×
=
﹣
+
= 1÷9×
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
×
×
= 16×
=
÷
= 1÷
=
÷
= 9÷
=
÷33= 1﹣25%= 75%+0.25=
÷
=
﹣
=
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