列竖式计算
3.56+7.5= |
3﹣2.08= |
2.25×48= |
44÷50= |
5.06×1.3= |
0.72÷1.5= |
35.5×180= |
50.4÷0.48= |
40.5÷0.18= |
直接写出得数.
1.2×0.5= |
0.81+0.9= |
1.3÷0.125÷8= |
48÷4.8= |
0.25×8= |
15.7﹣7.2= |
6.4+1.06= |
2.5×0.7×4= |
根据123×45=5535很快写出下面各题的得数.
1.23×45=
12.3×450=
553.5÷4.5=
0.5535÷45= .
求下面圆柱的表面积.
脱式计算.÷[(
+
)÷
]; 8.5﹣(5.6+4.8)÷1.3;
÷
÷
; 15÷
+
×6.