3×0.75○12.3 0.56÷0.4○0.56 查看更多

 

题目列表(包括答案和解析)

[
1
3
+(
5
6
-0.375)×
8
33
2
3

76×(
1
23
-
1
53
)+23×(
1
53
+
1
76
)-53×(
1
23
-
1
76
)

③100+99-98-97+96+95-94-93+…+8+7-6-5+4+3-2-1
2003×(3.4×69+3.5)
3.5×69-3.4

(1
2
3
+2
3
4
+3
4
5
+4
5
6
)÷(3
1
3
+5
2
4
+7
3
5
+9
4
6
)

(
1
2
+
1
3
+
1
4
+…+
1
20
)+(
2
3
+
2
4
+
2
5
+…+
2
20
)+(
3
4
+
3
5
+…+
3
20
)+…+(
18
19
+
18
20
)

1
2
+
1
4
+
1
8
+
1
31
+
1
62
+
1
124
+
1
248
+
1
496

425÷3
2
5
+4
7
12
×4
7
12
×2
2
11
-10
5
24

⑨解方程:1
1
4
:1.4=75%:x

x-
1
4
x=
3
8

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56÷4=0÷8=360÷3=804÷4=
540÷9=844÷4=963÷3=510÷5=
98+0÷6=0÷8+75×0=612÷3=12×3÷4=

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6
7
÷3=
3
5
×15=
10×
3
5
=
1÷2%=
7
8
÷
7
10
=
4
3
×75%=
7
8
×4×
8
7
=
1
6
+
5
6
×
1
5
=
1
2
×99+99=
3:0.5= 9.9×100%= 50%÷25%=

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0.7+0.9=________0.125×80=________8.24+3.76=________62.5×80=________
4.1-3.8=________0.32÷16=________14+0.78=________6.4÷16=________
14.6-0.34=________5÷10=________1.3+8.56=________0.7-0.55=________
2.4×5=________1-0.03=________8.1÷3=________3.6÷12=________
250×0.04=________30.5+3.05=________3.75×400=________0.78+2.2=________
1.5×8=________6×1.5=________25×0.04=________9.6÷16=________
5-0.08=________3.25+0.75=________10-0.1=________0.17×4=________
7.4÷2=________0.16÷8=________.

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12.25-3.1+0.75-6.9 3.75×1.8+2.25×1.8 2.5×1.25×32 [(9+0.25)×12]÷30
12.5×[(0.72-0.16)÷7] 3.85×101-3.85 17.8-5.8-1.68÷0.4 56.9-16.2×39.5×0-17.9.

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