题目内容

0.125×2+3.7×
1
8
+
1
8
×5.3.
0.125×2+3.7×
1
8
+
1
8
×5.3,
=0.125×2+3.7×0.125+0.125×5.3,
=0.125×(2+3.7+5.3),
=0.125×11,
=0.125×(10+1),
=0.125×10+0.125×1,
=1.25+0.125,
=1.375.
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