
@所有人+ 脱式计算(能用简便计算的要用简便计算)+4.6-1.85+0.85+4.28+0.73
2个回答
展开全部
=4.6 +4.28+0.73+0.85-1.85
=4.6 +4.28+0.72+0.01-1
=4.6+5+0.01-1
=9.6-1+0.01
=8.6+0.01
=8.61
=4.6 +4.28+0.72+0.01-1
=4.6+5+0.01-1
=9.6-1+0.01
=8.6+0.01
=8.61
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