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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 5: 0,54 x 5630 + 0,9 x 3314x 6 + 3 x 1056 x 0,18

Toán Lớp 5: 0,54 x 5630 + 0,9 x 3314x 6 + 3 x 1056 x 0,18

Comments ( 2 )

  1. 0,54 xx 5630 + 0,9 xx 3314 xx 6 + 3 xx 1056 xx 0,18
    =3040,2 + 17895,6 + 570,24
    =21506,04

  2. 0,54 xx 5630 + 0,9 xx 3314 xx 6 + 3 xx 1056 xx 0,18

    = 0,54 xx 5630 + ( 0,9 xx 6) xx 3314 + ( 3 xx 0,18) xx 1056

    = 0,54 xx 5630 + 5,4 xx 3314 + 0,54 xx 1056

    = 0,54 xx 5630 + 0,54 xx 10 xx 3314 + 0,54 xx 1056

    = 0,54 xx 5630 + 0,54 xx 33140 + 0,54 xx 1056

    = 0,54 xx ( 5630 + 33140 + 1056)

    = 0,54 xx 39826

    = 21506,04

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222-9+11+12:2*14+14 = ? ( )

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