简算.473+79-63

简算.473+79-63 473+79+63的简便运算 301乘79简算 简算9*79+9 201*79简算 1.怎样简便就怎样算：42×125 473+79-63 5×999+5+99×7+7+3×9+3+9 = = = = = = = = =42×125 473+79-63 5×999+5+99×7+7+3×9+3+9= = == = == = = 63/42简算 79×39分之31简算 79×78分之31 简算 3.14×79+0.314×210 简算 29*37 34*37 63*63简算 8*37+9*63简算 63+88.99-60-11.01简算 63*51-67.2/4.2简算 99又79/89/(-10)简算 11.11*46-11.11*25+11.11*79 简算 (8.25+79x8.25)除以0.5 简算 简算:100000-(79999-7999-799-79-7)