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(3X-7)➗5=16

如图

5➗(7➗11)➗(11➗16)➗(16➗35)简便方法 5➗(7➗11)➗(11➗16)➗(16➗35) =(11÷11)*(16÷16)*(35*5÷7) =1*1*25 =25

来了

(1/8-5/12)x24-(-3-3)^2➗(-6➗3)^2=1/8x24-5/12x24-(-6)^2x(-18)^2=3-10-36x(-324)=-7+11664=11657

(980-184-16)➗35 =[980-(184+16)]➗35 =[980-200]➗35 =780➗35 =(770+10)➗35 =770➗35+10➗35 =22+2/7 =22又2/7

15÷5=3表示把( )平均分成( )份,每份是( ).15 10 15➗3表示的意思 2 把15个苹果分成3等份每份都是5是对还是错 6 15除以5等表示包含分还是...

17.5➗12.5✖️1.4 =175➗125✖️1.4 =25x7➗(25x5)x1.4 =7➗5x1.4 =1.2x1.4 =1.68

2.1*5.1 *159.1➗0.7➗1.7➗3.7 =(2.1➗0.7)*(5.1 ➗1.7)*(159.1➗3.7) =3x3x43 =...

(105x12-635)➗25 =105x12➗25-635➗25 =21x12➗5-127➗5 =(21x12-127)➗5 =125➗5 =25

x➗5/6x0.875=3 解:x➗5/6x7/8x5/6➗7/8=3x5/6➗7/8 x=20/7

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