Ⅰ 用简便方法计算98×45
98×45
=(100-2)×45
=100×45-2×45
=4500-90
=4410
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Ⅱ 98×45简便运算
98×45
=(100-2)×45
=100×45-2×45
=4500-90
=4410
Ⅲ 98x45简便计算
简便计算
98x45
=(100-2)x45
=100x45-2x45
=4500-90
=4410
Ⅳ 98×45简便计算
98×45
=(100-2)x45
=100x45-2x45
=4500-90
=4410
Ⅳ 98✖️45简便方法
98✖️45
=(100-2)×45
=100×45-2×45
=4500-90
=4410
Ⅵ 45×98用简便方法。
解: 45*98
=45*(100-2)
=45*100-45*2
=4500-90
=4410