问题 计算题
用简便方法计算。
(1)25×33×4(2)246×17-123×33
(3)5700÷25÷4(4)354×7+360+355+347
(5)324÷27×9(6)240×85÷17
答案

(1)原式=25×4×33

                =100×33

                =3300(2)原式=123×2×17-123×33

                =123×(34-33)

                =123

(3)原式=5700÷(25×4)

                =5700÷100

                =57(4)原式=354×7+354+6+354+1+354-7

                =354×7+354+354+354

                =3540

(5)原式=324÷(9×3)×9

                =324÷3

                =108(6)原式=240×(85÷17)

                =240×5

                =1200

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