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1、5/4x3+5/42、6/11x4/17+4/11x5/173、36x3/4-3÷4-3/4x34、23x(2/23+1/5)x5
题目详情
1、5/4x3+5/4 2、6/11x4/17+4/11x5/17 3、36x3/4-3÷4-3/4x3 4、23x(2/23+1/5)x5
▼优质解答
答案和解析
1、5/4x3+5/4
=5/4×（3+1）
=5/4×4
=5
2、6/11x4/17+4/11x5/17
=4/11×6/17+4/11×5/17
=4/11×（6/17+5/17）
=4/11×11/17
=4/17
3、36x3/4-3÷4-3/4x3
=3/4×（36-1-3）
=3/4×32
=24
4、23x(2/23+1/5)x5
=23×2/23×5+23×1/5×5
=10+23
=33
=5/4×（3+1）
=5/4×4
=5
2、6/11x4/17+4/11x5/17
=4/11×6/17+4/11×5/17
=4/11×（6/17+5/17）
=4/11×11/17
=4/17
3、36x3/4-3÷4-3/4x3
=3/4×（36-1-3）
=3/4×32
=24
4、23x(2/23+1/5)x5
=23×2/23×5+23×1/5×5
=10+23
=33
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