脱式计算,能简算的要简算821×79+1021÷97(0.75-316)×(29+13)1835÷0.6×2313×3.14×92.-六年级数学

题目简介

脱式计算,能简算的要简算821×79+1021÷97(0.75-316)×(29+13)1835÷0.6×2313×3.14×92.-六年级数学

题目详情

脱式计算,能简算的要简算
8
21
×
7
9
+
10
21
÷
9
7

(0.75-
3
16
)×(
2
9
+
1
3

18
35
÷0.6×
2
3

1
3
×3.14×92
题型:解答题难度:中档来源:不详

答案


(1)class="stub"8
21
×class="stub"7
9
+class="stub"10
21
÷class="stub"9
7

=class="stub"8
21
×class="stub"7
9
+class="stub"10
21
×class="stub"7
9

=(class="stub"8
21
+class="stub"10
21
)×class="stub"7
9

=class="stub"18
21
×class="stub"7
9

=class="stub"2
3


(2)(0.75-class="stub"3
16
)×(class="stub"2
9
+class="stub"1
3
),
=class="stub"9
16
×class="stub"5
9

=class="stub"5
16


(3)class="stub"18
35
÷0.6×class="stub"2
3

=class="stub"6
7
×class="stub"2
3

=class="stub"4
7


(4)class="stub"1
3
×3.14×92,
=class="stub"1
3
×92×3.14,
=27×3.14,
=84.78.

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