展开全部
2.25x0.6+3/4x2/3+60%
=2.25x0.6+2/4+0.6
=3.25x0.6+0.5
=1.95+0.5
=2.45。
=2.25x0.6+2/4+0.6
=3.25x0.6+0.5
=1.95+0.5
=2.45。
展开全部
2.25x0.6+3/4x2/3+60%
=2.25x0.6+2/4+0.6
=3.25x0.6+0.5
=1.95+0.5
=2.45。
=2.25x0.6+2/4+0.6
=3.25x0.6+0.5
=1.95+0.5
=2.45。
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展开全部
2.25*0.6+3/4*2/3+60%
=(2.25+1)*0.6+2/4
=3.25*0.6+1/2
=1.95+0.5
=2.45
=(2.25+1)*0.6+2/4
=3.25*0.6+1/2
=1.95+0.5
=2.45
展开全部
根据题目可以得到
2.25*0.6+3/4*2/3+60%
=1.35+0.5+0.6
=2.45
2.25*0.6+3/4*2/3+60%
=1.35+0.5+0.6
=2.45
展开全部
2.25x0.6+3/4x2/3+60%
=2.25x0.6+2/4+0.6
=2.25x(0.4+0.2)+1/2+0.6
=2.25x0.4+2.25x0.2+(0.5+0.6)
=0.9+0.45+1.1
=(0.9+1.1)+0.45
=2+0.45
=2.45
=2.25x0.6+2/4+0.6
=2.25x(0.4+0.2)+1/2+0.6
=2.25x0.4+2.25x0.2+(0.5+0.6)
=0.9+0.45+1.1
=(0.9+1.1)+0.45
=2+0.45
=2.45
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