题目内容

【题目】1.69÷1.3+2.5×0.4  15.8×0.6+15.8×0.4 96.5×1055×96.5

【答案】2.315.89650

【解析】

1.69÷1.3+2.5×0.4

=1.3+1

=2.3

15.8×0.6+15.8×0.4

=0.6+0.4)×15.8

=1×15.8

=15.8  

96.5×1055×96.5

=1055)×96.5

=9650

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