用简便方法计算 快 (1.375×0.25+2.625×0.25)÷25 37.2×48+372×5.1+37.24/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.049999×7778+3333×6666 2008×2006/2007
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![用简便方法计算 快 (1.375×0.25+2.625×0.25)÷25 37.2×48+372×5.1+37.24/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.049999×7778+3333×6666 2008×2006/2007](/uploads/image/z/12506448-48-8.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97+%E5%BF%AB+%EF%BC%881.375%C3%970.25%2B2.625%C3%970.25%EF%BC%89%C3%B725+37.2%C3%9748%2B372%C3%975.1%2B37.24%2F7%C3%9711%2F21%2B3%2F7%C3%B721%2F11+1%2F4%C3%973.62%2B0.25%C3%972.34%2B25%25%C3%974.049999%C3%977778%2B3333%C3%976666+2008%C3%972006%2F2007)
用简便方法计算 快 (1.375×0.25+2.625×0.25)÷25 37.2×48+372×5.1+37.24/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.049999×7778+3333×6666 2008×2006/2007
用简便方法计算 快
(1.375×0.25+2.625×0.25)÷25 37.2×48+372×5.1+37.2
4/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.04
9999×7778+3333×6666 2008×2006/2007
用简便方法计算 快 (1.375×0.25+2.625×0.25)÷25 37.2×48+372×5.1+37.24/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.049999×7778+3333×6666 2008×2006/2007
1.375×0.25+2.625×0.25)÷25 37.2×48+372×5.1+37.2
4/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.04
①(1.375×0.25+2.625×0.25)÷25
=[0.25x(1.375+2.625)]÷25
=[0.25×4]÷25
=1÷25
=1/25
② 37.2×48+372×5.1+37.2
=372×(4.8﹢5.1﹢0.1)
=372×10
=3720
③4/7×11/21+3/7÷21/11
=4/7×11/21﹢3/7×11/21
=11/21×(4/7﹢3/7)
=11/21×1
=11/21
④ 1/4×3.62+0.25×2.34+25%×4.04
=0.25×3.62﹢0.25×2.34﹢0.25×4.04
=0.24×(3.62+2.34+4.04)
=0.24 ×10
=2.4