竖式计算.
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| (1)3.87+16.4=20.27, 3.87 +16.4 _______ 20.27 (2)5.2-3.6=1.6, 5.2 -3.6 _____ 1.6 (3)4.34×40=173.6, 4.34 ×40 ______ 173.60 (4)25×4.8=120, 25 ×4.8 ______ 200 100 ______ 120.0 故答案为:20.27,1.6,173.6,120. |
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(2)两个一位小数相加,和是两位小数。[ ]
(3)35+0.65 =100[ ]
(4)1.25米+17.3分米=18.55分米[ ]
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a.25.58[ ]
a.1.5