7.52+11.3一1.52一1.3简算
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7.52+11.3一1.52一1.3简算7.52+11.3一1.52一1.3简算7.52+11.3一1.52一1.3简算7.52+11.3-1.52-1.3=(7.52-1.52)+(11.3-1.3
7.52+11.3一1.52一1.3简算
7.52+11.3一1.52一1.3简算
7.52+11.3一1.52一1.3简算
7.52+11.3-1.52-1.3
=(7.52-1.52)+(11.3-1.3)
=6+10
=16