(5.3×3.75+3.75×3.5)÷2.2 9.6÷(4.8×7.2+2.8×4.8)

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 02:39:10
(5.3×3.75+3.75×3.5)÷2.2 9.6÷(4.8×7.2+2.8×4.8)

(5.3×3.75+3.75×3.5)÷2.2 9.6÷(4.8×7.2+2.8×4.8)
(5.3×3.75+3.75×3.5)÷2.2 9.6÷(4.8×7.2+2.8×4.8)

(5.3×3.75+3.75×3.5)÷2.2 9.6÷(4.8×7.2+2.8×4.8)
(5.3×3.75+3.75×3.5)÷2.2
=3.75x(5.3+3.5)÷2.2
= 3.75x8.8÷2.2
=3.75x4
=(3又3/4)x4
=15
9.6÷(4.8×7.2+2.8×4.8)
=9.6÷4.8×(7.2+2.8)
=2×10
=20

5.3×3.75+3.75×3.5)÷2.2
=(5.3+3.5)×3.75÷2.2
=8.8×3.75÷2.2
=8.8÷2.2×3.75
=4×3.75
=15

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