一块梯形玻璃，上底是1.18米，下底是1.32米，高1.6米，每平方米玻璃35元．买这样的一块玻璃需要多少钱？
直接写得数．×15= ÷3= ÷= 6×=72÷= ÷3= 2×= ××10=
20×=÷=
24×= 15÷= ×= ÷=1÷25%= += 3×÷3×50%= （1﹣1%）÷99%=
直接写得数×8 × 81÷ ÷63÷ ×× 3×÷3× 36×25%
直接写得数．= = = =8×3.14= = 1÷75%= =
×15= 
÷3= 
÷
= 6×
=
= 
÷3= 2
×
= 
×
×10=
=
÷
=
= 15÷
= 
×
= 
÷
=
+
÷3×50%= （1﹣1%）÷99%=
×8 
×
81÷
÷
×
×
3×
÷3×
= 
= 
= 
=
= 1÷75%= 
=
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