脱式计算(能简算的要用简算) 4.4×7.1+4.4×4.4 9.5×101 (1
答案:1 悬赏:10 手机版
解决时间 2021-02-28 08:13
- 提问者网友:不要迷恋哥
- 2021-02-28 01:54
脱式计算(能简算的要用简算) 4.4×7.1+4.4×4.4 9.5×101 (1
最佳答案
- 五星知识达人网友:骨子里都是戏
- 2021-02-28 02:03
(1)0.2×他.6+2.2×0.2,
=(他.6+2.2)×0.2,
=10×0.2,
=02;
(2)9.5×101,
=9.5×(100+1),
=9.5×100+9.5×1,
=950+9.5,
=959.5;
(0)(6×0.62)×1.25,
=6×0.62×1.25,
=(6×1.25)×0.62,
=10×0.62,
=06.2;
(0)0.125×他2,
=0.125×6×9,
=1×9,
=9.
=(他.6+2.2)×0.2,
=10×0.2,
=02;
(2)9.5×101,
=9.5×(100+1),
=9.5×100+9.5×1,
=950+9.5,
=959.5;
(0)(6×0.62)×1.25,
=6×0.62×1.25,
=(6×1.25)×0.62,
=10×0.62,
=06.2;
(0)0.125×他2,
=0.125×6×9,
=1×9,
=9.
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