选择合适的方法计算2.47×6.5+7.53×6.5 66.96÷72-0.87 76.1×17-76.1×7 65.7

选择合适的方法计算
2.47×6.5+7.53×6.5
66.96÷72-0.87 76.1×17-76.1×7
65.7×0.35+0.15 29.6÷7.4×1.2 0.65×101.
啊喽哈 1年前 已收到1个回答 举报

想王dd 春芽

共回答了20个问题采纳率:90% 举报

(1)2.47×6.5+7.53×6.5,
=(2.47+7.53)×6.5,
=10×6.5,
=65;
(2)66.96÷72-0.87,
=0.93-0.87,
=0.06;
(3)76.1×17-76.1×7
=76.1×(17-7),
=76.1×10,
=761;
(4)65.7×0.35+0.15,
=22.995+0.15,
=23.145;
(5)29.6÷7.4×1.2
=4×1.2,
=4.8;
(6)0.65×101
=0.65×100+0.65,
=65+0.65,
=65.65.

1年前

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