问题 解答题
脱式计算.
48÷8×12(75+25)×425×4×6
170×3-50028×5×2789-26×3.
答案

(1)48÷8×12,

=6×12,

=72;

(2)(75+25)×4,

=75×4+25×4,

=300+100,

=400;

(3)25×4×6,

=100×6,

=600;

(4)170×3-500,

=510-500,

=10;

(5)28×5×2,

=140×2,

=280;

(6)789-26×3,

=789-78,

=711.

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