题目内容
能简算的要简算
| 10×10.7-10÷62.5% | 99%×99+99% | 4×8×1.25×25% | (
|
(1)10×10.7-10÷62.5%,
=107-10÷0.625,
=107-16,
=91;
(2)99%×99+99%,
=99%×(99+1),
=0.99×100,
=99;
(3)4×8×1.25×25%,
=4×25%×(8×1.25),
=4×0.25×10,
=1×10,
=10;
(4)(
+
)×23+
,
=
×23+
×23+
,
=
+(
+
),
=
+1,
=1
.
=107-10÷0.625,
=107-16,
=91;
(2)99%×99+99%,
=99%×(99+1),
=0.99×100,
=99;
(3)4×8×1.25×25%,
=4×25%×(8×1.25),
=4×0.25×10,
=1×10,
=10;
(4)(
| 1 |
| 69 |
| 2 |
| 71 |
| 25 |
| 71 |
=
| 1 |
| 69 |
| 2 |
| 71 |
| 25 |
| 71 |
=
| 1 |
| 3 |
| 46 |
| 71 |
| 25 |
| 71 |
=
| 1 |
| 3 |
=1
| 1 |
| 3 |
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