Toán Lớp 6: Tính nhanh:
(-3,5).(-3,7)+|-3,5|.6.3+ 65
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Toán Lớp 6: Tính nhanh:
(-3,5).(-3,7)+|-3,5|.6.3+ 65
Comments ( 2 )
=3,5xx3,7+3,5xx6.3+65
=3,5xx(3,7+18)+65
=3,5xx21,7+65
=75,95+65
=140,95