235*12.1+235*42.2-135*54.3 用简便方法计算
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235*12.1+235*42.2-135*54.3用简便方法计算235*12.1+235*42.2-135*54.3用简便方法计算235*12.1+235*42.2-135*54.3用简便方法计算=
235*12.1+235*42.2-135*54.3 用简便方法计算
235*12.1+235*42.2-135*54.3 用简便方法计算
235*12.1+235*42.2-135*54.3 用简便方法计算
=(12.1+42.2)×235-135×54.3
=54.3×235-54.3×135
=(235-135)×54.3
=100×54.3
=5430
235*12.1+235*42.2-135*54.3=?
235×12.1+235×42.2-135×54.3 (简便算法)
235*12.1+235*42.2-135*54.3 用简便方法计算
235*12.1+235*42.2-125*54.3 用简便方法计算
234*12.1+235*42.2-135*54.3235*12.1+235*42.2-135*54.3
几道简算题51.53.5×35.3+53.5×43.2+78.5×46.52.235×12.1++235×42.2-135×54.33.3.75×735-3/8×5730+16.2×62.5
第一题:53.5*35.3+53.5*43.2+78.5*46.5第二题:235*12.1+235*42.2-135*54.3第三题:3.75*735-8分之3*5730+16.2*62.5 谁能把三道题解出来我怒赞
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