脱式计算①91-91÷13②6÷0.5×4③1-0.125÷18④(58+12)÷25%-数学

题目简介

脱式计算①91-91÷13②6÷0.5×4③1-0.125÷18④(58+12)÷25%-数学

题目详情

脱式计算
①91-91÷13
②6÷0.5×4
③1-0.125÷
1
8

④(
5
8
+
1
2
)÷25%
题型:解答题难度:中档来源:不详

答案

①91-91÷13,
=91-7,
=84;

②6÷0.5×4,
=12×4,
=48;

③1-0.125÷class="stub"1
8

=1-0.125÷0.125,
=1-1,
=0;

④(class="stub"5
8
+class="stub"1
2
)÷25%,
=(class="stub"5
8
+class="stub"1
2
)÷class="stub"1
4

=(class="stub"5
8
+class="stub"1
2
)×4,
=class="stub"5
8
×4+class="stub"1
2
×4,
=class="stub"5
2
+2,
=4class="stub"1
2

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