问几道算式,要用简便方法,急用!算式——75*76分之39.81*0.1+0.5*98.1+0.049*98156.8*10.139.5*3.6+843*0.96895.6785/6.785*67.853333*6666
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![问几道算式,要用简便方法,急用!算式——75*76分之39.81*0.1+0.5*98.1+0.049*98156.8*10.139.5*3.6+843*0.96895.6785/6.785*67.853333*6666](/uploads/image/z/5319972-36-2.jpg?t=%E9%97%AE%E5%87%A0%E9%81%93%E7%AE%97%E5%BC%8F%2C%E8%A6%81%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%2C%E6%80%A5%E7%94%A8%21%E7%AE%97%E5%BC%8F%E2%80%94%E2%80%9475%2A76%E5%88%86%E4%B9%8B39.81%2A0.1%2B0.5%2A98.1%2B0.049%2A98156.8%2A10.139.5%2A3.6%2B843%2A0.96895.6785%2F6.785%2A67.853333%2A6666)
问几道算式,要用简便方法,急用!算式——75*76分之39.81*0.1+0.5*98.1+0.049*98156.8*10.139.5*3.6+843*0.96895.6785/6.785*67.853333*6666
问几道算式,要用简便方法,急用!
算式——
75*76分之3
9.81*0.1+0.5*98.1+0.049*981
56.8*10.1
39.5*3.6+843*0.9
6895.6785/6.785*67.85
3333*6666
问几道算式,要用简便方法,急用!算式——75*76分之39.81*0.1+0.5*98.1+0.049*98156.8*10.139.5*3.6+843*0.96895.6785/6.785*67.853333*6666
75*76分之3
=(76-1)*(3/76)
=76*3/76-3/76
=3-3/76
=225/76
9.81*0.1+0.5*98.1+0.049*981
=981*0.001+981*0.05+0.049*981
=981*(0.001+0.05+0.49)
=981*0.1
=98.1
56.8*10.1
=56.8*(10+0.1)
=568-5.68
=562.32
39.5*3.6+843*0.9
=39.5*4*0.9+843*0.9
=0.9*(158+843)
=0.9*1001
=900.9
6895.6785/6.785*67.85
这题出错了吧
3333*6666
=3*1111*6*1111
=18*1234321
=(20-2)*1234321
=24686420-2468642
=44435556
问几道算式,要用简便方法,急用!算式——75*76分之39.81*0.1+0.5*98.1+0.049*98156.8*10.139.5*3.6+843*0.96895.6785/6.785*67.853333*6666
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