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递等式运算.780÷0.04÷250.6448×2500÷0.646.85÷2.5+84.6÷0.1842.3÷0.09-3.12×10.1.
题目详情
递等式运算.
780÷0.04÷25
0.6448×2500÷0.64
6.85÷2.5+84.6÷0.18
42.3÷0.09-3.12×10.1.
780÷0.04÷25
0.6448×2500÷0.64
6.85÷2.5+84.6÷0.18
42.3÷0.09-3.12×10.1.
▼优质解答
答案和解析
(1)780÷0.04÷25
=780÷(0.04×25)
=780÷1
=780
(2)0.6448×2500÷0.64
=1612÷0.64
=2518.75
(3)6.85÷2.5+84.6÷0.18
=2.74+470
=472.74
(4)42.3÷0.09-3.12×10.1
=470-31.512
=438.488
=780÷(0.04×25)
=780÷1
=780
(2)0.6448×2500÷0.64
=1612÷0.64
=2518.75
(3)6.85÷2.5+84.6÷0.18
=2.74+470
=472.74
(4)42.3÷0.09-3.12×10.1
=470-31.512
=438.488
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