问题 解答题
用简便方法计算.
50×26×425×3×4×2024×25×5
80×(7×125)27×4×515×7×6.
答案

(1)50×26×4

=50×4×26

=200×26

=5200;

(2)25×3×4×20

=(25×4)×(3×20)

=100×60

=6000;

(3)24×25×5

=4×6×25×5

=(4×25)×(5×6)

=100×30

=3000;

(4)80×(7×125)

=80×125×7

=10000×7

=70000;

(5)27×4×5

=27×(4×5)

=27×20

=540;

(6)15×7×6

=15×6×7

=90×7

=630.

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