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递等式计算50+160÷4019+(253-22)÷2122-(10+100÷10)14+(21-19)×14160÷(22-12)×2226×4-125÷5.
题目详情
递等式计算
50+160÷40 | 19+(253-22)÷21 | 22-(10+100÷10) |
14+(21-19)×14 | 160÷(22-12)×22 | 26×4-125÷5. |
▼优质解答
答案和解析
(1)50+160÷40
=50+4
=54;
(2)19+(253-22)÷21
=19+231÷21
=19+11
=30;
(3)22-(10+100÷10)
=22-(10+10)
=22-20
=2;
(4)14+(21-19)×14
=14+2×14
=14+28
=42;
(5)160÷(22-12)×22
=160÷10×22
=16×22
=352;
(6)26×4-125÷5
=104-25
=79.
=50+4
=54;
(2)19+(253-22)÷21
=19+231÷21
=19+11
=30;
(3)22-(10+100÷10)
=22-(10+10)
=22-20
=2;
(4)14+(21-19)×14
=14+2×14
=14+28
=42;
(5)160÷(22-12)×22
=160÷10×22
=16×22
=352;
(6)26×4-125÷5
=104-25
=79.
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