问题
计算题
计算下面各题,能简便计算的要简便计算.
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答案
(1) 26.7+3.3×1.2+0.04
=26.7+3.96+0.04
=26.7+(3.96+0.04)
=26.7+4
=30.7
=0.8×12.5×4.8
=10×4.8
=48
=2.5×(6+3.04)
=2.5×9.04
=2.5×(10-0.06)
=2.5×10-2.5×0.06
=25-0.15
=24.85
(4) 24×10.2
=24×(10+0.2)
=24×10+24×0.2
=240+4.8
=244.8
=6.3÷2.1÷2
=3÷2
=1.5
=100.8÷[17.28÷4.8]
=100.8÷3.6
=28