(1)213×42+213×58 (2)730- (450+400)÷25 (3) 8.29+3.7+0.71+6...

2026-05-18 13:10:17
推荐回答(1个)
回答1:

(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