6.48÷(0.18×0.25×4)巧算4点以前
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![6.48÷(0.18×0.25×4)巧算4点以前](/uploads/image/z/7600968-0-8.jpg?t=6.48%C3%B7%280.18%C3%970.25%C3%974%29%E5%B7%A7%E7%AE%974%E7%82%B9%E4%BB%A5%E5%89%8D)
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6.48÷(0.18×0.25×4)巧算4点以前
6.48÷(0.18×0.25×4)巧算
4点以前
6.48÷(0.18×0.25×4)巧算4点以前
6.48÷(0.18×0.25×4)
=6.48÷[0.18×(0.25×4)]
=6.48÷[0.18×1]
=6.48÷0.18
=36
0.25*4=1
0.18=2*0.9
6.48\2=3.24
3.24\0.9=3.6