计算(1)5.425+4.575=(2)67-48=(3)36÷2=(4)7.2÷0.04=(5)6÷(14+13)=(6)42×(12-16+13)=(7)334-(723-534)=(8)757+

题目简介

计算(1)5.425+4.575=(2)67-48=(3)36÷2=(4)7.2÷0.04=(5)6÷(14+13)=(6)42×(12-16+13)=(7)334-(723-534)=(8)757+

题目详情

计算
(1)5.425+4.575=
(2)67-48=
(3)36÷2=
(4)7.2÷0.04=
(5)6÷(
1
4
+
1
3
)
=
(6)42×(
1
2
-
1
6
+
1
3
)
=
(7)3
3
4
-(7
2
3
-5
3
4
)
=
(8)7
5
7
+
3
4
-
19
7
+2.25
=
(9)
3
8
×
8
3
÷
1
3
=
(10)73×0.6+26×60%+
3
5
=
题型:解答题难度:中档来源:不详

答案

(1)5.425+4.575=10;

(2)67-48=19;

(3)36÷2=18;

(4)7.2÷0.04=180;

(5)6÷(class="stub"1
4
+class="stub"1
3
)

=6÷class="stub"7
12

=class="stub"72
7


(6)42×(class="stub"1
2
-class="stub"1
6
+class="stub"1
3
)

=42×class="stub"1
2
-42×class="stub"1
6
+42×class="stub"1
3

=21-7+14,
=28;

(7)3class="stub"3
4
-(7class="stub"2
3
-5class="stub"3
4
)

=3class="stub"3
4
+5class="stub"3
4
-7class="stub"2
3

=9class="stub"1
2
-7class="stub"2
3

=1class="stub"5
6


(8)7class="stub"5
7
+class="stub"3
4
-class="stub"19
7
+2.25

=(7class="stub"5
7
-2class="stub"5
7
)+(class="stub"3
4
+2class="stub"1
4
),
=5+3,
=8;

(9)3÷class="stub"3
8
×class="stub"8
3
÷class="stub"1
3

=3×class="stub"8
3
×class="stub"8
3
×3,
=(3×class="stub"8
3
)×(class="stub"8
3
×3),
=8×8,
=64;

(10)73×0.6+26×60%+class="stub"3
5

=(73+26+1)×0.6,
=100×0.6,
=60.

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