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

Toán Lớp 5: tìm x biết 200 -18:(372:x-1)-28=166

Toán Lớp 5: tìm x biết 200 -18:(372:x-1)-28=166

Comments ( 2 )

  1. Giải đáp+Lời giải và giải thích chi tiết:
    200-18:(372:x-1)-28=166
    200-18:(372:x-1)=166+28
    200-18:(372:x-1)=194
    18:(372:x-1)=200-194
    18:(372:x-1)=6
    372:x-1=18:6
    372:x-1=3
    372:x=3+1
    372:x=4
    x=372:4
    x=93

  2. 200 -18:(372:x-1)-28=166
    200-18:(372:x-1)=166+28
    200-18:(372:x-1)=194
    18:(372:x-1)=200-194
    18:(372:x-1)=6
    372:x-1=18:6
    372:x-1=3
    372:x=3+1
    372:x=4
    x=372:4
    x=93
                          Đáp số: 93
     

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