题目内容
简便计算.
| 45×7×2 | 4×9×250 | 11×125×8 |
| 36×250 | 48×125 | 325+188+475. |
(1)45×7×2
=45×2×7
=90×7
=630
(2)4×9×250
=4×250×9
=1000×9
=9000
(3)11×125×8
=11×(125×8)
=11×1000
=11000
(4)36×250
=9×4×250
=9×(4×250)
=9×1000
=9000
(5)48×125
=6×8×125
=6×(8×125)
=6×1000
=6000
(6)325+188+475
=325+475+188
=800+188
=988
=45×2×7
=90×7
=630
(2)4×9×250
=4×250×9
=1000×9
=9000
(3)11×125×8
=11×(125×8)
=11×1000
=11000
(4)36×250
=9×4×250
=9×(4×250)
=9×1000
=9000
(5)48×125
=6×8×125
=6×(8×125)
=6×1000
=6000
(6)325+188+475
=325+475+188
=800+188
=988
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