(3.2*1.5+2.5)/1.6 6/4-1.6/4 6-1.19*3-0.43 3.2*(1.5+2.5)/1.6 麻烦你了,都是简便,我不会请你教教

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(3.2*1.5+2.5)/1.66/4-1.6/46-1.19*3-0.433.2*(1.5+2.5)/1.6麻烦你了,都是简便,我不会请你教教(3.2*1.5+2.5)/1.66/4-1.6/46

(3.2*1.5+2.5)/1.6 6/4-1.6/4 6-1.19*3-0.43 3.2*(1.5+2.5)/1.6 麻烦你了,都是简便,我不会请你教教
(3.2*1.5+2.5)/1.6 6/4-1.6/4 6-1.19*3-0.43 3.2*(1.5+2.5)/1.6 麻烦你了,都是简便,我不会请你教教

(3.2*1.5+2.5)/1.6 6/4-1.6/4 6-1.19*3-0.43 3.2*(1.5+2.5)/1.6 麻烦你了,都是简便,我不会请你教教
最后一个题目了
今天累了
(3.2*1.5+2.5)/1.6
=3.2*1.5÷1.6+2.5÷1.6
=2*1.5+25/16
=3+25/16
=4又16分之9
6/4-1.6/4
=1.5-0.4
=1.1
6-1.19*3-0.43
=6-1*3-0.19*3-0.43
=6-3-0.57-0.43
=3-1
=2
3.2*(1.5+2.5)/1.6
=3.2÷1.6*4
=2*4
=8