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(1)213×42+213×58(2)730-(450+400)÷25(3)8.29+3.7+0.71+6.3(4)96+320÷16-38(5)2.04-(0.36+1.33)(6)(324-285)×12÷26

题目详情
(1)213×42+213×58     (2)730- (450+400)÷25
(3) 8.29+3.7+0.71+6.3 (4)96+320÷16-38
(5)2.04- (0.36+1.33)   (6)(324-285) ×12÷26
▼优质解答
答案和解析
(1)原式=213×(42+58)
                =213×100
                =21300
(2)原式=730-850÷25
                =730-34
                =696
(3)原式=(8.29+0.71)+(3.7+6.3)
                =9+10
                =19
(4)原式=96+20-38
                =116-38
                =78
(5)原式=2.04-1.69
                =0.35
(6)原式=39×12÷26
                =18