(1.98+2.79)/0.9可以简便计算吗
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(1.98+2.79)/0.9可以简便计算吗
(1.98+2.79)/0.9可以简便计算吗
(1.98+2.79)/0.9可以简便计算吗
(1.98+2.79)/0.9
=1.98/0.9+2.79/0.9
=2.2+3.1
=5.3
(1.98+2.79)/0.9
=1.98/0.9+2.79/0.9
=2.2+3.1
=5.3