如题所述
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3.4Ã7Ã1.5
=7x1.5x3.4
=10.5x3.4
=ï¼10+0.5ï¼x3.4
=10x3.4+0.5x3.4
=34+1.7
=35.7
3.4Ã7Ã1.5
=7x1.5x3.4
=10.5x3.4
=ï¼10+0.5ï¼x3.4
=10x3.4+0.5x3.4
=34+1.7
=35.7
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第1个回答 2018-08-15
3.4×7×1.5
=(3.4×1.5)×7
=5.1×7
=35.7本回答被提问者采纳
=(3.4×1.5)×7
=5.1×7
=35.7本回答被提问者采纳