Toán Lớp 5: Tính nhanh 98×45,36+45,36+45,36
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Toán Lớp 5: Tính nhanh 98×45,36+45,36+45,36
Comments ( 2 )
Giải đáp:
98×45,36+45,36+45,36
=45,36×(98+1+1)
=45,36×100
=4536
98 xx 45,36 + 45,36 + 45,36
= 98 xx 45,36 + 45,36 xx 1 + 45,36 xx 1
= 45,36 xx (98 + 1 + 1)
= 45,36 xx 100
= 4536