星星影院有两层，楼上有350个座位，楼下有470个座位。（1）星星影院一共有多少个座位？（2）某场电影的票价9元，如果这场的票都卖完了，票房收入是多少元？
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%=
直接写出得数×24=÷= 25××= 5.8×9+5.8=+= 5÷5÷=÷÷×= 1÷2.5%=
直接写得数．×=÷= 1﹣= 0.13=（+）×8=﹣=+=×= 0÷=÷3×÷3=
用递等式计算．．
×
×
= 16×
=
÷
= 1÷
=
÷
= 9÷
=
÷33= 1﹣25%= 75%+0.25=
÷
=
﹣
=
=
= 1÷10%= 74×4×25%=
×15%=
×24=
÷
= 25×
×
= 5.8×9+5.8=
+
= 5÷5÷
=
÷
÷
×
= 1÷2.5%=
×
=
÷
= 1﹣
=
+
）×8=
﹣
=
+
=
×
= 0÷
=
÷3×
．
粤公网安备 44130202000953号