脱式计算: 800-600÷20 18×(537-488) 25×37×4 720÷16÷5
脱式计算:800-600÷2018×(537-488)25×37×4720÷16÷5....
脱式计算: 800-600÷20 18×(537-488) 25×37×4 720÷16÷5.
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小楠哥0492
推荐于2016-04-11
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(1)800-600÷20, =800-30, =770;
(2)18×(537-488), =18×49, =882;
(3)25×37×4, =25×4×37 =100×37, =3700;
(4)720÷16÷5, =720÷(16×5), =720÷80, =9. |
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