(78×15+380)×5(5008-99×36)÷19275×15+308×13(7020+4050÷18)÷45.-四年级数学

题目简介

(78×15+380)×5(5008-99×36)÷19275×15+308×13(7020+4050÷18)÷45.-四年级数学

题目详情

(78×15+380)×5
(5008-99×36)÷19
275×15+308×13
(7020+4050÷18)÷45.
题型:解答题难度:中档来源:不详

答案

(1)(78×15+380)×5
.

.

.

=(1170+380)×5,
=1550×5,
=7750;

(2)(5008-99×36)÷19
.

.

.

=(5008-3564)÷19,
=1444÷19,
=76;

(3)275×15+308×13
.
.

.

=4125+4004,
=8129;

(4)(7020+4050÷18)÷45.
.

.

.

=(7020+225)÷45,
=7245÷45,
=161.

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