直接写数对又快！1322﹣199= 1.87+5.3= 2.5×2.4= 1.5﹣1.5×0.3= =+= = 2×2=
直接写得数12.7﹣（8.65+2.7） 92.5×0.25×4 6.7×0.9+6.7×0.18.25×9.9+0.825 3.4×8.7+34×0.13 6.5×1.1
简便计算12.5×（0.7×0.8） 6.25×1.02 1.25×9912.5×32×2.5 4.12﹣1.78﹣1.22 4.2÷0.7÷6．
0.46×7.5+0.46×2.53﹣7.14÷3.5×1.059.9×8.6+0.86[20﹣（90.75÷6.6+2.25）]×11.6．
7.02×900×0.60.035÷0.7÷0.513.6﹣13.6×0.75.62+3.1×0.6+3.38（25﹣1.25×5）÷2.58.1×0.3+1.8×0.3+0.03．
199×0.61 2.5×3.7+4.3×2.5 0.8×62.3×12.55.2×10.1 0.25×13.7×0.4 2.5×40.4．
=
+
= 
= 2
×2=
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