0.125+3.7×1/8+1/8×5.3 用简便运算
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0.125+3.7×1/8+1/8×5.3用简便运算0.125+3.7×1/8+1/8×5.3用简便运算0.125+3.7×1/8+1/8×5.3用简便运算0.125+3.7×1/8+1/8×5.3=
0.125+3.7×1/8+1/8×5.3 用简便运算
0.125+3.7×1/8+1/8×5.3 用简便运算
0.125+3.7×1/8+1/8×5.3 用简便运算
0.125+3.7×1/8+1/8×5.3
=1/8×1+3.7×1/8+1/8×5.3
=1/8×（1+3.7+5.3）
=1/8×1
=1/8