| 0.25×400= | 78-0.98= | +0.5= | 12- = |
÷ = | ×1.2= | 568-198= | 10÷1%= |
| 0.53= | 1- + = |
| 0.25×400=100 | 78-0.98=77.02 | +0.5=![]() | 12- =11![]() |
÷ =![]() | ×1.2=0.9 | 568-198=370 | 10÷1%=1000 |
| 0.53=0.125 | 1- + =![]() |
,11
,
,0.9,370,1000,0.125,
.分析:本题按照运算法则直接运算,注意:0.53=0.5×0.5×0.5.
点评:本题是基本的计算题,计算时要细心,注意小数点的位置.
+0.5=
=
=
×1.2=
+