Question

0.85×98简便计算

Answer 1

0.85×98简便计算

0.85×98
=0.85x（100-2）
=0.85x100-0.85x2
=85-1.7
=83.3

301*0.85-0.85的简便计算

301*0.85-0.85
=（301-1）x0.85
=300x0.85
=255

18.2×0.85－8.5×0.85简便计算

18.2×0.85-8.5×0.85
＝（18.2-8.5）×0.85
＝9.7×0.85
＝8.245
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0.85×199简便计算

0.85×199
=0.85×（200-1）
=170-0.85
=169.15
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简便计算0.85×999=

0.85 × 999 = 0.85 × (1000 - 1) = 0.85 × 1000 - 0.85 = 850 - 0.85 = 849.15

72×0.85 10.4简便计算

72×0.85 +10.4
=61.2+10.4
=71.6
直接算最简便

简便计算。102乘0.85

102x0.85
=(100+2)x0.85
=100x0.85+2x0.85
=85+1.7
=86.7
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简便计算:10.85—5.5—0.85

简便计算:
10.85—5.5—0.85
=10.85—0..85—5.5
=10-5.5
=4.5

简便计算7.15+3.7+0.85

=(7.15+0.85)+3.7
=8+3.7
=11.7

0.85+8.8*9.9 简便计算

解：原式=0.88-0.03+8.8x9.9
=8.8x0.1+8.8x9.9-0.03
=8.8x（0.1+9.9）-0.03
=8.8x10-0.03
=88-0.03
=87.97