10.37*5.8+2.9*19.26简便计算
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发布时间:2022-12-05 19:40
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热心网友
时间:2024-10-24 23:20
10.37×5.8+2.9×19.26的简便计算如下:
10.37×5.8+2.9×19.26
=10.37×5.8+5.8×9.63 ←把2.9放大2倍,19.26缩小2倍,则2.9×19.26可以改写成5.8×9.63
=5.8×(10.37+9.63) ←提取公因数5.8
=5.8×20 ←(10.37+9.63) 相加,得20
=116
热心网友
时间:2024-10-24 23:20
10.37*5.8+2.9*19.26简便计算
10.37*5.8+2.9*19.26=10.37*5.8+2.9*2*9.63
=10.37*5.8+5.8*9.63
=(10.37+9.63)*5.8
=20*5.8
=116
热心网友
时间:2024-10-24 23:21
解;原式=10.37·(2·2.9)+2.9·19.26=10.37·2·2.9+2.9·19.26=2.9·(10.37·2+19.26)=2.9·(20.74+19.26)=2.9·40=116。
热心网友
时间:2024-10-24 23:22
10.37*5.8+2.9*19.26
=10.37*2*2.9+2.9*19.26
=20.74*2.9+2.9*19.26
=(20.74+19.26)*2.9
=40*2.9
=116