1.76乘2点4等于几目录
125×2.44=305
125
×2.44
——————
500
500
250
——————
305.00
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答:二点4×1点6 2点4×2 1点6×2的和再×2
=2.4*(1.6 2 2)*2
=4.8*5.6
=5*5.6-0.2*5.6
=28-1.12
=27-0.12
=26.88
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答:二点4×1点6 2点4×2 1点6×2的和再×2
=2.4*(1.6 2 2)*2
=4.8*5.6
=5*5.6-0.2*5.6
=28-1.12
=27-0.12
=26.88