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计算题!2.1-57÷603.45+7.2÷0.2440.5÷2.7-11.264.2-49.7÷1.4(3.3+5.4×1.5)÷1.2
题目详情
计算题!
2.1-57÷60 3.45+7.2÷0.24 40.5÷2.7-11.2 64.2-49.7÷1.4 (3.3+5.4×1.5)÷1.2
2.1-57÷60 3.45+7.2÷0.24 40.5÷2.7-11.2 64.2-49.7÷1.4 (3.3+5.4×1.5)÷1.2
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答案和解析
2.1-57÷60
=2.1-0.95
=1.15
3.45+7.2÷0.24
=3.45+30
=33.45
40.5÷2.7-11.2
=15-11.2
=3.8
64.2-49.7÷1.4
=64.2-35.5
=28.7
(3.3+5.4×1.5)÷1.2
=(3.3+8.1)÷1.2
=11.4÷1.2
=9.5
=2.1-0.95
=1.15
3.45+7.2÷0.24
=3.45+30
=33.45
40.5÷2.7-11.2
=15-11.2
=3.8
64.2-49.7÷1.4
=64.2-35.5
=28.7
(3.3+5.4×1.5)÷1.2
=(3.3+8.1)÷1.2
=11.4÷1.2
=9.5
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