0.34×12.5+0.125×66= 103×0.3= 4.34÷0.25÷4= 130130÷11111×66666= 40.5×1.1-4.05= 100-98
答案:1 悬赏:30 手机版
解决时间 2021-11-15 17:39
- 提问者网友:浮克旳回音
- 2021-11-15 07:11
0.34×12.5+0.125×66= 103×0.3= 4.34÷0.25÷4= 130130÷11111×66666= 40.5×1.1-4.05= 100-98
最佳答案
- 五星知识达人网友:冷風如刀
- 2021-11-15 07:24
(1)0.34×12.5+0.125+66,
=0.34×12.5+12.5×0.66,
=(0.34+0.66)×12.5,
=1×12.5,
=12.5;
(2)103×0.3,
=(100+3)×0.3,
=100×0.3+3×0.3,
=30+0.9,
=30.9;
(3)4.34÷0.25÷4,
=4.34÷(0.25×4),
=4.34÷1,
=4.34;
(4)130130÷11111×66666,
=130130÷11111×11111×6,
=130130×6,
=780780;
(5)40.5×1.1-4.05,
=4.05×11-4.05,
=4.05×(11-1),
=4.05×10,
=40.5;
(6)100-98+96-94+92-90+…+8-6+4-2,
=(100-98)+(96-94)+(92-90)+…+(8-6)+(4-2),
=2×(100÷2÷2),
=2×25,
=50;
=0.34×12.5+12.5×0.66,
=(0.34+0.66)×12.5,
=1×12.5,
=12.5;
(2)103×0.3,
=(100+3)×0.3,
=100×0.3+3×0.3,
=30+0.9,
=30.9;
(3)4.34÷0.25÷4,
=4.34÷(0.25×4),
=4.34÷1,
=4.34;
(4)130130÷11111×66666,
=130130÷11111×11111×6,
=130130×6,
=780780;
(5)40.5×1.1-4.05,
=4.05×11-4.05,
=4.05×(11-1),
=4.05×10,
=40.5;
(6)100-98+96-94+92-90+…+8-6+4-2,
=(100-98)+(96-94)+(92-90)+…+(8-6)+(4-2),
=2×(100÷2÷2),
=2×25,
=50;
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