(36/18+36*82)怎么巧算

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(36/18+36*82)怎么巧算
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(36/18+36*82)怎么巧算
(36/18+36*82)怎么巧算

(36/18+36*82)怎么巧算
36/18+36*82
=2+36*82
=2+82*(40-4)
=2+3280-328
=3282-328
=2954

3.6*1.9+36*0.18=3.6*1.9+3.6*1.8=3.6*(1.9+1.8)=3.6*3.7=3.6(4-0.3)=14.4-1.08=13.32 3.6乘以4再减去3.6乘以0

2+2952=2954