Question

(24x42x121)/(11x8x21) 125x3x25x32 57x(36+315/15)简算的结果,还有顺序,一

Answer 1

(24x42x121)/(11x8x21)

=（24/8）x（42/21）x（121/11）

=3x2x11

=66

125x3x25x32

=125x3x25x8x4

=(125x8)x(25x4)x3

=1000x100x3

=300000

57x(36+315/15)

=57x(36+21)

=57x57

=57x60-57x3

=3420-171

=3249

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