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(1)879+126+474;(2)(44+83)×(25÷5);(3)[(4010-410)÷6]×7;(4)25×39+25×61;(5)1316÷47-846÷47;(6)884÷[(256+424)÷40].

题目详情
(1)879+126+474;
(2)(44+83)×(25÷5);
(3)[(4010-410)÷6]×7;
(4)25×39+25×61;
(5)1316÷47-846÷47;
(6)884÷[(256+424)÷40].
▼优质解答
答案和解析
(1)879+126+474
=879+(126+474)
=879+600
=1479;

(2)(44+83)×(25÷5)
=127×5
=635;

(3)[(4010-410)÷6]×7
=[3600÷6]×7
=600×7
=4200;

(4)25×39+25×61
=25×(39+61)
=25×100
=2500;

(5)1316÷47-846÷47
=(1316-846)÷47
=470÷47
=10;

(6)884÷[(256+424)÷40]
=884÷[680÷40]
=884÷17
=52.