(4了×54g×455)÷(n55+n了+四g)-数学

题目简介

(4了×54g×455)÷(n55+n了+四g)-数学

题目详情

4
×
54
g
×
4
55
)÷(
n
55
+
n
+
g
题型:解答题难度:中档来源:不详

答案

class="stub"1
7
×class="stub"10
2
×class="stub"1
11
)÷(class="stub"2
11
+class="stub"2
7
+class="stub"5
2
),
=class="stub"1×10×1
7×2×11
÷class="stub"2×7×2+2×11×2+5×11×7
11×7×2

=class="stub"1×10×1
7×2×11
×class="stub"11×7×2
2×7×2+2×11×2+5×11×7

=class="stub"160
126+128+385

=class="stub"160
702

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