小东请广告公司制作一块梯形广告牌，上底长4米，下底长6米，高2米．如果这个广告公司制作广告牌的费用为每平方米30元，那么小东要支付给这个广告公司多少元？
直接写得数．1.2÷= 1÷0.01﹣1= ﹣= 5÷×5=2÷2%= 0.5﹣20= 5.7+11.8+4.3= 2﹣+=（+）×24= 4.9×81=
直接写出得数 84.6÷4= 1÷12.5%= 25×0.85×4=0.99×74= 7﹣1= 3.17+37.1﹣2.17=
4.2÷0.2= = =0.1+0.2×0.3= ．
直接写得数0.125×8= 0.056×= 7÷1.4= 1.75+25%=1.8×（1﹣）= ×0.3= ×9+×9= =1÷0.1﹣1×0.1= =
3﹣1.06= = 0.1+0.2×0.3= =
= 1÷0.01﹣1= 
﹣
= 5÷
﹣
+
=
+
）×24= 4.9×81=
= 3.17+37.1﹣2.17=
= 
=
．
= 7÷1.4= 1.75+25%=
）= 
×0.3= 
×9+
×9= 
=
=
= 0.1+0.2×0.3= 
=
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