问题
解答题
脱式计算,能简算的要简算.
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答案
(1)50-4.96-26.38
=50-(4.96+26.38)
=50-31.34
=18.66
(2)8.2+0.87-3.5
=9.07-3.5
=5.57
(3)25.6-2.8-14.6-8.2
=(25.6-14.6)-(2.8+8.2)
=11-11
=0
(4)13.94-5.2-4.8
=13.94-(5.2+4.8)
=13.94-10
=3.94
(5)4.36+1.73+0.64+0.27
=(4.36+0.64)+(1.73+0.27)
=5+2
=7
(6)76.58+(6.75-6.48)
=76.58+0.27
=76.85