题目内容
脱式计算.
(1)10962÷54-105
(2)0.25×(4.8-7.5÷3)
(3)9.07×99+9.07
(4)
×
÷
.
(1)10962÷54-105
(2)0.25×(4.8-7.5÷3)
(3)9.07×99+9.07
(4)
| 2 |
| 7 |
| 8 |
| 9 |
| 8 |
| 7 |
(1)10962÷54-105,
=203-105,
=98;
(2)0.25×(4.8-7.5÷3),
=0.25×(4.8-2.5),
=0.25×2.3,
=0.575;
(3)9.07×99+9.07,
=9.07×(99+1),
=9.07×100,
=907;
(4)
| 2 |
| 7 |
| 8 |
| 9 |
| 8 |
| 7 |
=
| 16 |
| 63 |
| 8 |
| 7 |
=
| 2 |
| 9 |
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