计算下面各题,能简算的要简算.2.7+3.71+2.29+7.3 3.5×3+3
答案:1 悬赏:60 手机版
解决时间 2021-11-10 16:00
- 提问者网友:聂風
- 2021-11-10 04:01
计算下面各题,能简算的要简算.2.7+3.71+2.29+7.3 3.5×3+3
最佳答案
- 五星知识达人网友:夜风逐马
- 2021-11-10 04:35
①2.7+3.71+2.29+7.3
=(2.7+7.3 )+(3.71+2.29)
=10+6
=16
②3.5×3+3.5×7
=3.5×(3+7)
=3.5×10
=35
③26.8-1.2×4
=26.8-4.8
=22
④1.5×1.3×4
=(1.5×4)×1.3
=6×1.3
=7.8
=(2.7+7.3 )+(3.71+2.29)
=10+6
=16
②3.5×3+3.5×7
=3.5×(3+7)
=3.5×10
=35
③26.8-1.2×4
=26.8-4.8
=22
④1.5×1.3×4
=(1.5×4)×1.3
=6×1.3
=7.8
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