题目内容
脱式计算.
3375÷27×12 | (0.75+10.2)÷0.25×25% | (4
|
2
|
(1)3375÷27×12,
=125×12,
=1500;
(2)(0.75+10.2)÷0.25×25%,
=10.95÷0.25×0.25,
=10.95÷(0.25÷0.25),
=10.95;
(3)(4
4 |
5 |
3 |
4 |
1 |
2 |
=(4
4 |
5 |
1 |
2 |
=3.6÷4
1 |
2 |
=0.8;
(4)2
8 |
9 |
3 |
4 |
7 |
16 |
1 |
4 |
=2
8 |
9 |
3 |
4 |
3 |
16 |
=2
8 |
9 |
9 |
16 |
=
325 |
72 |
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