第1个回答 2016-06-23
3X+5X=4814X-8X=126*5+2X=4420X-50=5028+6X=8832-22X=1024-3X=310X*（5+1）=6099X=100-XX+3=18X-6=1256-2X=204y+2=6x+32=763x+6=1816+8x=402x-8=84x-3*9=298x-3x=105x-6*5=42x+5=72x+3=1012x-9x=96x+18=4856x-50x=305x=1578-5x=2832y-29=35x+5=1589x-9=80100-20x=2055x-25x=6076y-75=123y-23=234x-20=080y+20=10053x-90=162x+9x=1112y-12=2480+5x=1007x-8=665x+35=10019y+y=4025-5x=1579y+y=8042x+28x=1403x-1=890y-90=9080y-90=7078y+2y=16088-x=809-4x=120x=4065y-30=10051y-y=10085y+1=-8645x-50=400.5(x+6)=6.4×0.432(x-51.8)=3.27(6.5+x)=87.5(15.5-3.5)÷x=480.2(x+6)=1.7×0.45(x-4.8)=5.94(3.6+x)=24.1(21.9-3.5)÷x=9
第2个回答 2016-06-23
3.2*100+6.4*50—32*10=3.2*100+3.2*2*50-32*100/10=3.2*100+3.2*100-3.2*100=3.2*100=320
第3个回答 2016-06-23
3.2*100+6.4*50—32*10
＝3.2*100+3.2*100-3.2*100
=100x(3.2+3.2-3.2)
=100x3.2
=320本回答被网友采纳
第4个回答 2016-06-23
3.2*100+6.4*50—32*10
=320+3.2*2*50-320
=320-320+3.2*100
=320