
六点五乘九点二加上九点二成二点四加上九点二加零点九二的简�
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6.5X9.2+9.2X2.4+9.2+0.92
=6.5X9.2+9.2X2.4+1X9.2+0.1X9.2
=(6.5+2.4+1+0.1)x9.2
=10X9.2
=92
=6.5X9.2+9.2X2.4+1X9.2+0.1X9.2
=(6.5+2.4+1+0.1)x9.2
=10X9.2
=92
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