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(3.75十2.35)x9.9的脱式计算怎么算

(3.75十2.35)x9.9的脱式计算怎么算 (3.75十2.35)x9.9 =6.1×9.9...

2.35x9.9+0.235 =2.35x(9.9+0.1) =2.35x10 =23.5 ...

4.8x9.9脱式计算能简算要简算 4.8x9.9 =4.8*10-4.8*0.1 =48-0...

3.6×9.9 =3.6×(10-0.1) =3.6×10-3.6×0.1 =36-0.36 ...

原式=4.3*(10-0.1) =4.3*10-4.3*0.1 =43-0....

3.72X9.9 =3.72×(10-0.1) =37.2-0.372 =36.828 请采...

1.38+13.8×9.9 =13.8x0.1+13.8x9.9 =13.8x(0.1+9.9)...

3oⅩ[169-(6o十9)] =3oⅩ[169-69)] =3oⅩ100 =3000, 以...

25*4*0.04*(3-0.1)

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