
计算,能简算的要简算.(80+360÷24)×9 12.55+7.93+8.45+2.07&nb...
计算,能简算的要简算.(80+360÷24)×912.55+7.93+8.45+2.0743×25+25×16+25....
计算,能简算的要简算.(80+360÷24)×9 12.55+7.93+8.45+2.07 43×25+25×16+25.
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(1)(80+360÷24)×9
=(80+15)×9
=95×9
=855;
(2)12.55+7.93+8.45+2.07
=12.55+8.45+(7.93+2.07)
=21+10
=31;
(3)43×25+25×16+25
=(43+16+1)×25
=60×25
=1500.
=(80+15)×9
=95×9
=855;
(2)12.55+7.93+8.45+2.07
=12.55+8.45+(7.93+2.07)
=21+10
=31;
(3)43×25+25×16+25
=(43+16+1)×25
=60×25
=1500.
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