15.6÷(0.25×12 )的简便运算 0.25÷¼=6÷()=12÷()=()% ...
15\u2169(6\u216912)\u7528\u7b80\u4fbf\u8fd0\u7b97\u600e\u4e48\u505a=15\u00d76\u00d712
=90\u00d712
=\uff08100-10\uff09\u00d712
=100\u00d712-10\u00d712
=1200-12
=1188
0.25\u00f7¼=6\u00f7\uff086\uff09=12\u00f7\uff0812\uff09=\uff08100\uff09\uff05
15.6/(0.25✘4✘3)15.6÷(0.25×4×3)
15.6÷(1×3)
15.6÷3=5.2
15.6÷(0.25x12)=15.6÷(1/4x12)=15.6÷3=5.2
15.6÷(0.25*4*3)
15.6÷(1*3)
15.6÷3
5.2
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