275×3= 746-248= 462÷7=
284÷4= 709×4= 239+671=
905÷5= 351÷3= 144÷6=
分析:橫向數(shù):
(1)(5)依據(jù)整數(shù)乘法計(jì)算方法即可解答,
(2)(6)依據(jù)整數(shù)加減法計(jì)算方法即可解答,
(3)(4)(7)(8)(9)依據(jù)整數(shù)除法計(jì)算方法即可解答.
解答:
解:275×3=825 746-248=498 462÷7=66
284÷4=72 709×4=2836 239+671=910
905÷5=181 351÷3=117 144÷6=24
故答案為:825,498,66,72,2836,910,181,117,24.
點(diǎn)評:依據(jù)四則運(yùn)算計(jì)算方法正確進(jìn)行計(jì)算,是本題考查知識點(diǎn).
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