问题
解答题
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答案
①26.9+72.8÷5.6
=26.9+13
=39.9
②1.25×3.2×0.25
=(1.25×8)×(0.4×0.25)
=10×0.1
=1
③3.4×11.3+3.4×8.7
=3.4×(11.3+8.7)
=3.4×20
=68
④3.6÷1.5÷4
=3.6÷(1.5×4)
=3.6÷6
=0.6
⑤62×101-62
=62×(101-1)
=62×100
=6200
⑥0.12×50+53.4
=6+53.4
=59.4