1.4乘25+3.45能简算的要简算?
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1.4×25+3.45
=1×25+0.4×25+3.45
=25+10+3.5
=35+3.5
=38.5
=1×25+0.4×25+3.45
=25+10+3.5
=35+3.5
=38.5
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1.4*25+3.45=(2-0.6)*25+3.45=2*25-0.6*25+3.45=50-1.5+3.45=50+1.95=51.95
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1.4×(25+3.45)
=1.4×25+1.4×3.45
=0.7×2×25+0.7×2×3.45
=0.7×50+0.7×6.9
=35+4.83
=39.83
=1.4×25+1.4×3.45
=0.7×2×25+0.7×2×3.45
=0.7×50+0.7×6.9
=35+4.83
=39.83
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1.4×25+3.45
=(1+0.4)×25+3.45
=1×25+0.4×25+3.45
=25+10+3.45
=38.45
=(1+0.4)×25+3.45
=1×25+0.4×25+3.45
=25+10+3.45
=38.45
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1.4×25+3.45
=7×(0.2×25)+3.45
=7×5+3.45
=35+3.45
=38.45
=7×(0.2×25)+3.45
=7×5+3.45
=35+3.45
=38.45
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