脱式计算.46×8-120÷1540-7.5×1.249÷[(25+110)×43].-数学

题目简介

脱式计算.46×8-120÷1540-7.5×1.249÷[(25+110)×43].-数学

题目详情

脱式计算.
46×8-120÷15
40-7.5×1.2
4
9
÷[(
2
5
+
1
10
)×
4
3
].
题型:解答题难度:中档来源:不详

答案

46×8-120÷15,
=368-8,
=360;

40-7.5×1.2,
=40-9,
=31;

class="stub"4
9
÷[(class="stub"2
5
+class="stub"1
10
)×class="stub"4
3
],
=class="stub"4
9
÷[class="stub"1
2
×class="stub"4
3
],
=class="stub"4
9
÷class="stub"2
3

=class="stub"2
3

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