38÷7÷38.
怎样算简便就怎样算.
(1)(+20%)×
(2)3.7×125%+1.25×2.7+×3.6.
(3)5×+75%×6﹣0.75.
计算下面各题.
5.4×+3.6÷
+0.9
×
+
÷
2012÷2012.
计算下面各题,怎样简便就怎样计算.
0.75×3.6×10.7
5.06×(2.08÷5.2)
4.8×0.7÷4.8
24.6÷2.5÷0.4.
0.25×27×445×36+64×451.25×320×250.96×25
9.9×999+9.91.08×125 8×25×1.25×16489×101﹣489
33×1.0328×45+30×135.6×9+560.98×54.