问题 解答题
脱式计算
48×13-120

(35+24)×17

320+16×27
24×40-305270÷9×2514×(460-115)
答案

(1)48×13-120,

=624-120,

=504;

(2)(35+24)×17,

=59×17,

=1003;

(3)320+16×27,

=320+432,

=752;

(4)24×40-305,

=960-305,

=655;

(5)270÷9×25,

=30×25,

=750;

(6)14×(460-115),

=14×345,

=4830.

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