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- 2026-04-27437+5.6+0.527=0.437++.这是根据.
- 2026-04-27102×4.5与下面哪个算式的结果相同? [ ]A.100×4.5+4.5B.100×4.5+2×4.5C.100×4.5+1×4.5
- 2026-04-27运用加法的交换律和结合律的是 [ ]A.5.84+0.78+4.16=5.84+4.16 +0.78 B.5.84+0.78+4.16=0.78+ C.5.84+0.78+4.16=5.84+
- 2026-04-27用简便方法计算:÷
- 2026-04-27对算式6.67+0.49-3.67计算方法简便的是 [ ]A.6.67-3.67+0.49B.6.67+
- 2026-04-27在下面的○中填上适当的数.并说出它们各应用了哪个运算定律.(1)6.7+4.95+3.3=6.7+○+4.95 应用了( ). +0.25=○+ 应用了 . (3)1.29+3.7+0.71+6.3=
- 2026-04-27动脑筋.仔细填.(1)0.6÷0.25=(0.6× )÷(0.25× )(2)0.77÷0.35=0.77÷÷=0.56÷○(4)64.5÷1.25÷8=64.5÷( ○ )
- 2026-04-27用简便方法计算. (1)6.25×2.3+3.75×2.3