32.4×9.9+32.4如何简算式
答案:3 悬赏:50 手机版
解决时间 2021-11-29 09:09
- 提问者网友：世勋超人
- 2021-11-28 08:15
32.4×9.9+32.4如何简算式
最佳答案
- 五星知识达人网友：零点过十分
- 2021-11-28 09:29
32.4×9.9+32.4
=32.4X(9.9+1)
=32.4X10.9
=32.4x(10+0.9)
=32.4X10+32.4X(1-0.1)
=324+32.4X1-32.4X0.1
=324+32.4-3.24
=353.16
=32.4X(9.9+1)
=32.4X10.9
=32.4x(10+0.9)
=32.4X10+32.4X(1-0.1)
=324+32.4X1-32.4X0.1
=324+32.4-3.24
=353.16
全部回答
- 1楼网友：不如潦草
- 2021-11-28 11:57
32.4乘以10.9
- 2楼网友：往事隔山水
- 2021-11-28 10:26
=32.4×(10-0.1)+32.4
=32.4×(10+1-0.1)
=32.4×(11-0.1)
=(33-0.6)×(11-0.1)
=33×11-3.3-6.6+0.06
=11×11×3-9.9+0.06
=363-10+0.16
=353+0.16
=353.16
=32.4×(10+1-0.1)
=32.4×(11-0.1)
=(33-0.6)×(11-0.1)
=33×11-3.3-6.6+0.06
=11×11×3-9.9+0.06
=363-10+0.16
=353+0.16
=353.16
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