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125除以括号五零除以八用简便方法怎么算

解:125除以(50除以8) =125除以(50/8) =125X(8/50) =(125X8)/50 =1000/50 =20.

(520+480)÷50×4 =1000÷50×4 =20×4 =80

(125+50)×8 =125×8+50×8 =1000+400 =1400

116-(50÷25+8x2) =116-(2+16) =116-16-2 =100-2 =98

50×(0.8+0.4) =50×0.8+50×0.4 =40+20 =60

125*50*8*4 =(125*8)*(4*50) =1000*200 =200000 采纳哦,谢谢撒

五十点6-括号一点8×10加十五除以一百括号简便计算 五十点6-括号一点8×10加十五除以一百括号 =50.6-(1.8*10+15÷100) =50.6-(18+0.15) =50.6-18.15 =32.45

125×50×8×4 =125x8x50x4 =1000x200 =200000

括号7x减50括号乘以8=7 解: (7x-50)×8=7 56x-400=7 56x=407 x=407/56

450÷8-50÷8 =(450-50)÷8 =400÷8 =50

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