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脱式计算(1)135+980÷7(2)(430-216)×7(3)45×8÷4(4)728-276÷3(5)35+15×11(5B)25×4+372(6)12×24+46(6B)305÷(213-208)(7)52×(36÷3)(7b)98×4-276(8)42×11-368

题目详情
脱式计算
(1)135+980÷7 (2)(430-216)×7 (3)45×8÷4 (4)728-276÷3
(5)35+15×11 (5B)25×4+372 (6)12×24+46 (6B)305÷(213-208)
(7)52×(36÷3) (7b)98×4-276 (8)42×11-368 (8b)(60+70)×3.
▼优质解答
答案和解析
(1)135+980÷7,
=135+140,
=275;  

(2)(430-216)×7,
=214×7,
=1498;

(3)45×8÷4,
=360÷4,
=90;   

(4)728-276÷3,
=728-92,
=636;  

(5)35+15×11,
=35+165,
=200;

(5b)25×4+372,
=100+372,
=472;

(6)12×24+46,
=288+46,
=334;

(6b)305÷(213-208),
=305÷5,
=61;

(7)52×(36÷3),
=52×12,
=624;

(7b)98×4-276,
=392-276,
=116;
    
(8)42×11-368,
=462-368,
=94;

(8b)(60+70)×3,
=130×3,
=390.