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用递等式计算9.24÷[1.5×(0.76-0.56)];910÷[12×(65-310)];0.25÷(54-0.25)-14.
题目详情
用递等式计算
9.24÷[1.5×(0.76-0.56)];
÷[
×(
-
)]; 0.25÷(
-0.25)-
.
9.24÷[1.5×(0.76-0.56)];
9 |
10 |
1 |
2 |
6 |
5 |
3 |
10 |
5 |
4 |
1 |
4 |
▼优质解答
答案和解析
(1)9.24÷[1.5×(0.76-0.56)]
=9.24÷[1.5×0.2]
=9.24÷0.3
=30.8;
(2)
÷[
×(
-
)]
=
÷[
×
]
=
÷
=2;
(3)0.25÷(
-0.25)-
=0.25÷1-
=0.25-
=0.
=9.24÷[1.5×0.2]
=9.24÷0.3
=30.8;
(2)
9 |
10 |
1 |
2 |
6 |
5 |
3 |
10 |
=
9 |
10 |
1 |
2 |
9 |
10 |
=
9 |
10 |
9 |
20 |
=2;
(3)0.25÷(
5 |
4 |
1 |
4 |
=0.25÷1-
1 |
4 |
=0.25-
1 |
4 |
=0.
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