第1个回答 2011-10-02
解：36×2.54+1.8×49.2
=3.6×25.4+1.8×49.2
=1.8×2×25.4+1.8×49.2
=1.8×(50.8+49.2)
=1.8×100
=180.本回答被提问者采纳
=3.6×25.4+1.8×49.2
=1.8×2×25.4+1.8×49.2
=1.8×(50.8+49.2)
=1.8×100
=180.本回答被提问者采纳
第2个回答 2013-04-10
原式=36x2.54+(1.8x2)x(49.2/2)
=36x2.54+3.6x24.6
=36x2.54+36x2.46
=36x(2.54+2.46)
=36x5=180
=36x2.54+3.6x24.6
=36x2.54+36x2.46
=36x(2.54+2.46)
=36x5=180
第3个回答 2011-10-02
36×2.54+1.8×49.2
=36×2.54+36×2.46
=36×(2.54+2.46)
=36×5
=180
=36×2.54+36×2.46
=36×(2.54+2.46)
=36×5
=180
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