= 45×99= 0.9×99+0.9= 
= 
=相关试题
直接写得数.
1﹣49= 113+34= 25﹣14= 0.25×12÷0.125= 914﹣47=
9.99+99= 0.1×0.1= 12×13÷12×13= 16×1116= 37×27=
×7=
=
=
=
=
=
=
+0.75
×
÷1
×
）×
÷
+0.69+1
18×2
．计算．
546﹣398= 457+199= 2.2×101=
32×0.125×25= 5.4×99+5.4=（
+
+
）×21=
999×999+999= 18.7×101﹣18.7=
直接写得数.
1﹣49= 113+34= 25﹣14= 0.25×12÷0.125= 914﹣47=
9.99+99= 0.1×0.1= 12×13÷12×13= 16×1116= 37×27=
计算．
546﹣398= 457+199= 2.2×101=
32×0.125×25= 5.4×99+5.4=（++）×21=
999×999+999= 18.7×101﹣18.7=
﹣
= 5×
÷5×
÷
=
×1.2=
+0.5=
粤公网安备 44130202000953号