问题 解答题
脱式计算.
36÷4×59×(75+15)25×4×6128+840÷6(270-198)×546-12×3.
答案

(1)36÷4×5,

=9×5,

=45;

(2)9×(75+15),

=9×90,

=810;

(3)25×4×6,

=100×6,

=600;

(4)128+840÷6,

=128+140,

=268;

(5)(270-198)×5,

=72×5,

=360;

(6)46-12×3,

=46-36,

=10.

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