7+1/2×8+13/9×12.5×0.032+5.95÷5/8-7.2+6.05×3+3/5
7 1/2*8 13/9*12.5*0.032+5.95/ 5/8-7.2+6.05*3 3/5的结果是多少
第1个回答 2020-09-08
7又 1/2*8
=7.5*8
=60
13/9*12.5*0.032+5.95/ 5/8-7.2+6.05*3 又3/5
=13/9*（12.5*0.08）*0.4+1.19*8-7.2+6.05*3.6
=13/9*0.4+（9.52+21.78）
=26/45+21.3
=21又79/90
=7.5*8
=60
13/9*12.5*0.032+5.95/ 5/8-7.2+6.05*3 又3/5
=13/9*（12.5*0.08）*0.4+1.19*8-7.2+6.05*3.6
=13/9*0.4+（9.52+21.78）
=26/45+21.3
=21又79/90
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