1+0.25=0.5×2.69×0.2=
7.3+0.6+0.03=5.36+4.4=
7.5+2.5÷4=2.78-5.46+5.22=

解：
1+0.25=1.25；0.5×2.69×0.2=0.269；
7.3+0.6+0.03=7.93；5.36+4.4=9.76；
7.5+2.5÷4=8.125；2.78-5.46+5.22=2.54．

分析：（1）（4）根據(jù)小數(shù)的加法法則計(jì)算即可求解；
（2）（3）（6）從左往右依次計(jì)算即可求解；
（5）先算除法，再算加法．
點(diǎn)評(píng)：考查了四則運(yùn)算，解題的關(guān)鍵是熟練掌握計(jì)算法則，正確進(jìn)行計(jì)算即可求解．
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科目：小學(xué)數(shù)學(xué) 來源： 題型：

1+0.25= 0.5×2.69×0.2=
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