求如图长方形的周长和面积．
直接写得数 12.7﹣（8.65+2.7） 92.5×0.25×46.7×0.9+6.7×0.1 8.25×9.9+0.8253.4×8.7+34×0.136.5×1.1
简便计算 12.5×（0.7×0.8）6.25×1.02 1.25×99 12.5×32×2.54.12﹣1.78﹣1.224.2÷0.7÷6．
0.46×7.5+0.46×2.5 3﹣7.14÷3.5×1.05 9.9×8.6+0.86 [20﹣（90.75÷6.6+2.25）]×11.6．
7.02×900×0.6 0.035÷0.7÷0.5 13.6﹣13.6×0.7 5.62+3.1×0.6+3.38 （25﹣1.25×5）÷2.5 8.1×0.3+1.8×0.3+0.03．
199×0.612.5×3.7+4.3×2.50.8×62.3×12.5 5.2×10.10.25×13.7×0.42.5×40.4．
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