Question

3.68+2.9+0.18+9.1简算

3.68+2.9+0.18+9.1简算
越简单越好！谢谢！

Answer 1

解：
3.68+2.9+0.18+9.1
=(2.9+9.1)+(3.68+0.18)
=12+3.86
=15.86

Answer 2

13.75－(3.75＋6.48)3.68＋7.56－2.687.85＋2.34－0.85＋4.6635.6－1.8－15.6－7.23.82＋2.9＋0.18＋9.19.6＋4.8－3.67.14－0.53－2.475.27＋2.86－0.66＋1.6313.35－4.68＋2.6547.8－7.45+8.80.398+0.36+3.6415.75+3.59－0.59+14.2542.5－(6.07＋1.13)73.8－1.64－13.8－5.3666.86－8.66－1.340.25×16.2×43.72×3.5＋6.28×3.536.8－3.9－6.125.48－(9.4－0.52)4.8×7.8＋78×0.523.6×1026.4×0.25＋3.6÷432＋4.9－0.94.8－4.8×0.5(1.25－0.125)×84.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.094.2÷3.5320÷1.25÷818.76×9.9＋18.763.52÷2.5÷0.44.78÷0.2＋3.443.9－4.1＋6.1－5.90.49÷1.41.25×2.5×323.6－0.6×23.65×10.13.6－3.6×0.815.2÷0.25÷45.6÷3.59.6÷0.8÷0.44.2×99＋4.20.89×100.1146.5－(23＋46.5)17.8÷(1.78×4)5.83×2＋4.27(45.9－32.7)÷8÷0.125多练些会好一些哟~

Answer 3

13.75－(3.75＋6.48)3.68＋7.56－2.687.85＋2.34－0.85＋4.6635.6－1.8－15.6－7.23.82＋2.9＋0.18＋9.19.6＋4.8－3.67.14－0.53－2.475.27＋2.86－0.66＋1.6313.35－4.68＋2.6547.8－7.45+8.80.398+0.36+3.6415.75+3.59－0.59+14.2542.5－(6.07＋1.13)73.8－1.64－13.8－5.3666.86－8.66－1.340.25×16.2×43.72×3.5＋6.28×3.536.8－3.9－6.125.48－(9.4－0.52)4.8×7.8＋78×0.523.6×1026.4×0.25＋3.6÷432＋4.9－0.94.8－4.8×0.5(1.25－0.125)×84.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.094.2÷3.5320÷1.25÷818.76×9.9＋18.763.52÷2.5÷0.44.78÷0.2＋3.443.9－4.1＋6.1－5.90.49÷1.41.25×2.5×323.6－0.6×23.65×10.13.6－3.6×0.815.2÷0.25÷45.6÷3.59.6÷0.8÷0.44.2×99＋4.20.89×100.1146.5－(23＋46.5)17.8÷(1.78×4)5.83×2＋4.27(45.9－32.7)÷8÷0.125多练些会好一些哟~

Answer 4

(3.68+0.18)+(2.9+9.1)=3.86+12=15.86