题目内容
| 直接写得数: 2.5×104= |
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| 368-199= | 18÷4+6= |
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1.2÷10%= | ||||||||||
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分析:运用四则计算的运算法则以及运算定律进行解答即可.
解答:解:2.5×104=260;
+
=
;
-
=
;
÷8=
;
368-199=169; 18÷4+6=10.5;
×16=12; 1.2÷10%=12;
×
×
=
;
-
+
=
.
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368-199=169; 18÷4+6=10.5;
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点评:解答此题应熟练掌握通分、约分以及运算定律和性质.
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