54+39=87-58=44+27=38+25=94-53=
53-27=65-48=81÷9=63÷7=9×3+9=
32÷4=56÷8=316÷2=8×9=6×4+6=
81÷9=6×7-6=8×6-8=170+260=320+630=
420-270=640-320=900-710=________÷8=342÷________=7
35÷________=536÷9×8=51-15=________=________×________.

24    6    7    36    6    6
分析:根據(jù)整數(shù)的加減法的口算方法,以及用乘法口訣計算乘除法的方法求解.
解答:
54+39=93,87-58=29,44+27=71,38+25=63,94-53=41,
53-27=26,65-48=17,81÷9=9,63÷7=9,9×3+9=36,
32÷4=8,56÷8=7,316÷2=108,8×9=72,6×4+6=30,
81÷9=9,6×7-6=36,8×6-8=40,170+260=430,320+630=950,
420-270=150,640-320=320,900-710=190,24÷8=3,42÷6=7,
35÷7=5,36÷9×8=32,51-15=36=6×6.

點評:本題考查了簡單的整數(shù)計算,計算時要細心,做到快速準確.
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