44.4X1.2+1.11X52
(3.4X4.8X9.5)÷（1.9X1.7X2.4)
4.44x12+1.11x52=1.11x4x12+1.11x52=1.11x（48+52）=111。（3.4x4.8x9.5）÷（1.9x3.4x1.2）=（4.8x9.5）÷（1.9x0.5+1.9x0.7）=（4.8x10）÷（1.9x0.7）=4800÷133
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第1个回答 2012-02-03
44.4*1.2+1.11*52
=1.11*40*4*0.3+1.11*13*4
=1.11*4*(40*0.3+13)
=1.11*4*25
=1.11*100
=111
(3.4*4.8*9.5)/(1.9*1.7*2.4)
=(2*1.7*2*2.4*5*1.9)/(1.9*1.7*2.4)
=2*2*5
=20
=1.11*40*4*0.3+1.11*13*4
=1.11*4*(40*0.3+13)
=1.11*4*25
=1.11*100
=111
(3.4*4.8*9.5)/(1.9*1.7*2.4)
=(2*1.7*2*2.4*5*1.9)/(1.9*1.7*2.4)
=2*2*5
=20
