题目内容
【题目】(6分)
直接写出得数.
14÷35= +
= 0.77+0.33=
×4+4×
= 0.9+99×
= 4
﹣(
+
)=
5﹣1.4﹣1.6= 2﹣﹣
=
×2÷
×2=
(+
)×12=
×
= 6.3×10%=
【答案】14÷35=,
+
=
, 0.77+0.33=1.1,
×4+4×
=2
, 0.9+99×
=90, 4
﹣(
+
)=3
,
5﹣1.4﹣1.6=2, 2﹣﹣
=1
,
×2÷
×2=4,
(+
)×12=14,
×
=
, 6.3×10%=0.63
【解析】
试题分析:0.9+99×,(
+
)×12运用乘法分配律简算;
4﹣(
+
),5﹣1.4﹣1.6,2﹣
﹣
,根据减法的性质简算;
其它题目根据运算法则直接求解.
解:14÷35=,
+
=
, 0.77+0.33=1.1,
×4+4×
=2
, 0.9+99×
=90, 4
﹣(
+
)=3
,
5﹣1.4﹣1.6=2, 2﹣﹣
=1
,
×2÷
×2=4,
(+
)×12=14,
×
=
, 6.3×10%=0.63.

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