| 直接写出得数 0.28+1.9= | 100÷10%= | 203-83= | 7:11= |
| 0.23×1000= | 6.9÷2.3= | - = | ( - )×42= |
| 110×10= | + = |
| 解:0.28+1.9=2.18; | 100÷10%=1000; | 203-83=120; | 7:11= ; |
| 0.23×1000=230; | 6.9÷2.3=3; | - =0; | ( - )×42=1; |
| 110×10=1100; | + =1 . |
,230,3,0,1,1100,1
.分析:依据小数、分数四则运算的计算方法解答即可.
点评:本题主要考查四则运算计算方法的掌握.
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