Toán Lớp 6: 153 x 177 – 153 x 77 + 100 x ( -77)
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Toán Lớp 6: 153 x 177 – 153 x 77 + 100 x ( -77)
Comments ( 2 )
=153 x (177 – 77) + 100 x (-77)
=153 x 100 + 100 x (-77)
=[153 + (-77)] x 100
=76 x 100
=7600